Finding the Fourth Proportional to 284,540.54, 392,747.76 and 187,814.99
Calculator
Solution
The fourth proportional to 284,540.54, 392,747.76 and 187,814.99 is: 259,238.70
Step by Step Solution
- Step 1: Write the proportion equation
284,540.54 : 392,747.76 = 187,814.99 : x - Step 2: Convert to fraction form
284,540.54/392,747.76 = 187,814.99/x - Step 3: Cross multiply
284,540.54x = 392,747.76 × 187,814.99 - Step 4: Simplify right side
284,540.54x = 73,763,917,598.79 - Step 5: Solve for x
x = 73,763,917,598.79/284,540.54 - Step 6: Final answer
x = 259,238.70
Related Problems
Find fourth proportional to 142,270.27, 196,373.88 and 93,907.50
Half scale
Find fourth proportional to 569,081.07, 785,495.52 and 375,629.99
Double scale
Find fourth proportional to 284,541.54, 392,749.14 and 187,815.99
Similar ratio
Find fourth proportional to 426,810.80, 589,121.64 and 281,722.49
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.