Home / 436,024-653,682.96-136,350.24

Finding the Fourth Proportional to 436,024, 653,682.96 and 136,350.24

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Solution

The fourth proportional to 436,024, 653,682.96 and 136,350.24 is: 204,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,024 : 653,682.96 = 136,350.24 : x
  2. Step 2: Convert to fraction form
    436,024/653,682.96 = 136,350.24/x
  3. Step 3: Cross multiply
    436,024x = 653,682.96 × 136,350.24
  4. Step 4: Simplify right side
    436,024x = 89,129,828,479.91
  5. Step 5: Solve for x
    x = 89,129,828,479.91/436,024
  6. Step 6: Final answer
    x = 204,414.96

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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.