Finding the Fourth Proportional to 466,905.92, 644,354.14 and 285,560.96
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Solution
The fourth proportional to 466,905.92, 644,354.14 and 285,560.96 is: 394,088.79
Step by Step Solution
- Step 1: Write the proportion equation
466,905.92 : 644,354.14 = 285,560.96 : x - Step 2: Convert to fraction form
466,905.92/644,354.14 = 285,560.96/x - Step 3: Cross multiply
466,905.92x = 644,354.14 × 285,560.96 - Step 4: Simplify right side
466,905.92x = 184,002,386,798.37 - Step 5: Solve for x
x = 184,002,386,798.37/466,905.92 - Step 6: Final answer
x = 394,088.79
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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.