Home / 265,251.29-397,890.15-75,739.77

Finding the Fourth Proportional to 265,251.29, 397,890.15 and 75,739.77

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Solution

The fourth proportional to 265,251.29, 397,890.15 and 75,739.77 is: 113,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,251.29 : 397,890.15 = 75,739.77 : x
  2. Step 2: Convert to fraction form
    265,251.29/397,890.15 = 75,739.77/x
  3. Step 3: Cross multiply
    265,251.29x = 397,890.15 × 75,739.77
  4. Step 4: Simplify right side
    265,251.29x = 30,136,108,446.27
  5. Step 5: Solve for x
    x = 30,136,108,446.27/265,251.29
  6. Step 6: Final answer
    x = 113,613.43

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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.