Home / 262,046.86-393,077.96-72,508.76

Finding the Fourth Proportional to 262,046.86, 393,077.96 and 72,508.76

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Solution

The fourth proportional to 262,046.86, 393,077.96 and 72,508.76 is: 108,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,046.86 : 393,077.96 = 72,508.76 : x
  2. Step 2: Convert to fraction form
    262,046.86/393,077.96 = 72,508.76/x
  3. Step 3: Cross multiply
    262,046.86x = 393,077.96 × 72,508.76
  4. Step 4: Simplify right side
    262,046.86x = 28,501,595,462.93
  5. Step 5: Solve for x
    x = 28,501,595,462.93/262,046.86
  6. Step 6: Final answer
    x = 108,765.26

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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.