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Finding the Fourth Proportional to 344,508.10, 516,773.68 and 119,887.40

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Solution

The fourth proportional to 344,508.10, 516,773.68 and 119,887.40 is: 179,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,508.10 : 516,773.68 = 119,887.40 : x
  2. Step 2: Convert to fraction form
    344,508.10/516,773.68 = 119,887.40/x
  3. Step 3: Cross multiply
    344,508.10x = 516,773.68 × 119,887.40
  4. Step 4: Simplify right side
    344,508.10x = 61,954,652,883.63
  5. Step 5: Solve for x
    x = 61,954,652,883.63/344,508.10
  6. Step 6: Final answer
    x = 179,835.11

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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.