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Finding the Fourth Proportional to 534,115.96, 801,153 and 134,751.76

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Solution

The fourth proportional to 534,115.96, 801,153 and 134,751.76 is: 202,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,115.96 : 801,153 = 134,751.76 : x
  2. Step 2: Convert to fraction form
    534,115.96/801,153 = 134,751.76/x
  3. Step 3: Cross multiply
    534,115.96x = 801,153 × 134,751.76
  4. Step 4: Simplify right side
    534,115.96x = 107,956,776,779.28
  5. Step 5: Solve for x
    x = 107,956,776,779.28/534,115.96
  6. Step 6: Final answer
    x = 202,122.36

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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.