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Finding the Fourth Proportional to 351,373.60, 527,098.80 and 340,314.40

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Solution

The fourth proportional to 351,373.60, 527,098.80 and 340,314.40 is: 510,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,373.60 : 527,098.80 = 340,314.40 : x
  2. Step 2: Convert to fraction form
    351,373.60/527,098.80 = 340,314.40/x
  3. Step 3: Cross multiply
    351,373.60x = 527,098.80 × 340,314.40
  4. Step 4: Simplify right side
    351,373.60x = 179,379,311,862.72
  5. Step 5: Solve for x
    x = 179,379,311,862.72/351,373.60
  6. Step 6: Final answer
    x = 510,508.79

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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.