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Finding the Fourth Proportional to 376,996.32, 565,374.51 and 124,229.70

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Solution

The fourth proportional to 376,996.32, 565,374.51 and 124,229.70 is: 186,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,996.32 : 565,374.51 = 124,229.70 : x
  2. Step 2: Convert to fraction form
    376,996.32/565,374.51 = 124,229.70/x
  3. Step 3: Cross multiply
    376,996.32x = 565,374.51 × 124,229.70
  4. Step 4: Simplify right side
    376,996.32x = 70,236,305,764.95
  5. Step 5: Solve for x
    x = 70,236,305,764.95/376,996.32
  6. Step 6: Final answer
    x = 186,305.02

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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.