Finding the Fourth Proportional to 637,142.13, 955,878.71 and 237,785.94
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Solution
The fourth proportional to 637,142.13, 955,878.71 and 237,785.94 is: 356,740.68
Step by Step Solution
- Step 1: Write the proportion equation
637,142.13 : 955,878.71 = 237,785.94 : x - Step 2: Convert to fraction form
637,142.13/955,878.71 = 237,785.94/x - Step 3: Cross multiply
637,142.13x = 955,878.71 × 237,785.94 - Step 4: Simplify right side
637,142.13x = 227,294,516,394.41 - Step 5: Solve for x
x = 227,294,516,394.41/637,142.13 - Step 6: Final answer
x = 356,740.68
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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.