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Finding the Fourth Proportional to 377,915.86, 566,016.81 and 292,995.46

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Solution

The fourth proportional to 377,915.86, 566,016.81 and 292,995.46 is: 438,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,915.86 : 566,016.81 = 292,995.46 : x
  2. Step 2: Convert to fraction form
    377,915.86/566,016.81 = 292,995.46/x
  3. Step 3: Cross multiply
    377,915.86x = 566,016.81 × 292,995.46
  4. Step 4: Simplify right side
    377,915.86x = 165,840,355,613.68
  5. Step 5: Solve for x
    x = 165,840,355,613.68/377,915.86
  6. Step 6: Final answer
    x = 438,828.78

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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.