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Finding the Fourth Proportional to 377,422.38, 520,644.36 and 224,351.69

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Solution

The fourth proportional to 377,422.38, 520,644.36 and 224,351.69 is: 309,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,422.38 : 520,644.36 = 224,351.69 : x
  2. Step 2: Convert to fraction form
    377,422.38/520,644.36 = 224,351.69/x
  3. Step 3: Cross multiply
    377,422.38x = 520,644.36 × 224,351.69
  4. Step 4: Simplify right side
    377,422.38x = 116,807,443,356.58
  5. Step 5: Solve for x
    x = 116,807,443,356.58/377,422.38
  6. Step 6: Final answer
    x = 309,487.33

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1.5x scale

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.