Finding the Fourth Proportional to 501,439.71, 752,270.21 and 185,896.62
Calculator
Solution
The fourth proportional to 501,439.71, 752,270.21 and 185,896.62 is: 278,885.95
Step by Step Solution
- Step 1: Write the proportion equation
501,439.71 : 752,270.21 = 185,896.62 : x - Step 2: Convert to fraction form
501,439.71/752,270.21 = 185,896.62/x - Step 3: Cross multiply
501,439.71x = 752,270.21 × 185,896.62 - Step 4: Simplify right side
501,439.71x = 139,844,489,656.15 - Step 5: Solve for x
x = 139,844,489,656.15/501,439.71 - Step 6: Final answer
x = 278,885.95
Related Problems
Find fourth proportional to 250,719.86, 376,135.11 and 92,948.31
Half scale
Find fourth proportional to 1,002,879.43, 1,504,540.42 and 371,793.24
Double scale
Find fourth proportional to 501,440.71, 752,271.71 and 185,897.62
Similar ratio
Find fourth proportional to 752,159.57, 1,128,405.32 and 278,844.93
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.