Finding the Fourth Proportional to 396,735.91, 547,663.14 and 267,848.95
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Solution
The fourth proportional to 396,735.91, 547,663.14 and 267,848.95 is: 369,744.69
Step by Step Solution
- Step 1: Write the proportion equation
396,735.91 : 547,663.14 = 267,848.95 : x - Step 2: Convert to fraction form
396,735.91/547,663.14 = 267,848.95/x - Step 3: Cross multiply
396,735.91x = 547,663.14 × 267,848.95 - Step 4: Simplify right side
396,735.91x = 146,690,997,002.70 - Step 5: Solve for x
x = 146,690,997,002.70/396,735.91 - Step 6: Final answer
x = 369,744.69
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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.