Finding the Fourth Proportional to 658,504.71, 987,851.21 and 203,134.41
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Solution
The fourth proportional to 658,504.71, 987,851.21 and 203,134.41 is: 304,730.66
Step by Step Solution
- Step 1: Write the proportion equation
658,504.71 : 987,851.21 = 203,134.41 : x - Step 2: Convert to fraction form
658,504.71/987,851.21 = 203,134.41/x - Step 3: Cross multiply
658,504.71x = 987,851.21 × 203,134.41 - Step 4: Simplify right side
658,504.71x = 200,666,572,711.14 - Step 5: Solve for x
x = 200,666,572,711.14/658,504.71 - Step 6: Final answer
x = 304,730.66
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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.