Home / 344,972.87-517,422.90-92,278.86

Finding the Fourth Proportional to 344,972.87, 517,422.90 and 92,278.86

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Solution

The fourth proportional to 344,972.87, 517,422.90 and 92,278.86 is: 138,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,972.87 : 517,422.90 = 92,278.86 : x
  2. Step 2: Convert to fraction form
    344,972.87/517,422.90 = 92,278.86/x
  3. Step 3: Cross multiply
    344,972.87x = 517,422.90 × 92,278.86
  4. Step 4: Simplify right side
    344,972.87x = 47,747,196,666.11
  5. Step 5: Solve for x
    x = 47,747,196,666.11/344,972.87
  6. Step 6: Final answer
    x = 138,408.55

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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.