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Finding the Fourth Proportional to 373,976.92, 560,549.85 and 284,936.86

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Solution

The fourth proportional to 373,976.92, 560,549.85 and 284,936.86 is: 427,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,976.92 : 560,549.85 = 284,936.86 : x
  2. Step 2: Convert to fraction form
    373,976.92/560,549.85 = 284,936.86/x
  3. Step 3: Cross multiply
    373,976.92x = 560,549.85 × 284,936.86
  4. Step 4: Simplify right side
    373,976.92x = 159,721,314,132.47
  5. Step 5: Solve for x
    x = 159,721,314,132.47/373,976.92
  6. Step 6: Final answer
    x = 427,088.69

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1.5x scale

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.