Finding the Fourth Proportional to 447,287.05, 670,700.74 and 131,702.95
Calculator
Solution
The fourth proportional to 447,287.05, 670,700.74 and 131,702.95 is: 197,486.75
Step by Step Solution
- Step 1: Write the proportion equation
447,287.05 : 670,700.74 = 131,702.95 : x - Step 2: Convert to fraction form
447,287.05/670,700.74 = 131,702.95/x - Step 3: Cross multiply
447,287.05x = 670,700.74 × 131,702.95 - Step 4: Simplify right side
447,287.05x = 88,333,266,025.18 - Step 5: Solve for x
x = 88,333,266,025.18/447,287.05 - Step 6: Final answer
x = 197,486.75
Related Problems
Find fourth proportional to 223,643.53, 335,350.37 and 65,851.48
Half scale
Find fourth proportional to 894,574.10, 1,341,401.48 and 263,405.90
Double scale
Find fourth proportional to 447,288.05, 670,702.24 and 131,703.95
Similar ratio
Find fourth proportional to 670,930.58, 1,006,051.11 and 197,554.43
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.