Home / 436,238.10-654,355.92-136,719.96

Finding the Fourth Proportional to 436,238.10, 654,355.92 and 136,719.96

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Solution

The fourth proportional to 436,238.10, 654,355.92 and 136,719.96 is: 205,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,238.10 : 654,355.92 = 136,719.96 : x
  2. Step 2: Convert to fraction form
    436,238.10/654,355.92 = 136,719.96/x
  3. Step 3: Cross multiply
    436,238.10x = 654,355.92 × 136,719.96
  4. Step 4: Simplify right side
    436,238.10x = 89,463,515,208.16
  5. Step 5: Solve for x
    x = 89,463,515,208.16/436,238.10
  6. Step 6: Final answer
    x = 205,079.55

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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.