Finding the Fourth Proportional to 654,691.43, 903,370.08 and 368,156.18
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Solution
The fourth proportional to 654,691.43, 903,370.08 and 368,156.18 is: 507,996.99
Step by Step Solution
- Step 1: Write the proportion equation
654,691.43 : 903,370.08 = 368,156.18 : x - Step 2: Convert to fraction form
654,691.43/903,370.08 = 368,156.18/x - Step 3: Cross multiply
654,691.43x = 903,370.08 × 368,156.18 - Step 4: Simplify right side
654,691.43x = 332,581,275,938.31 - Step 5: Solve for x
x = 332,581,275,938.31/654,691.43 - Step 6: Final answer
x = 507,996.99
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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.