Home / 436,233.60-654,349.19-136,715.45

Finding the Fourth Proportional to 436,233.60, 654,349.19 and 136,715.45

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Solution

The fourth proportional to 436,233.60, 654,349.19 and 136,715.45 is: 205,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,233.60 : 654,349.19 = 136,715.45 : x
  2. Step 2: Convert to fraction form
    436,233.60/654,349.19 = 136,715.45/x
  3. Step 3: Cross multiply
    436,233.60x = 654,349.19 × 136,715.45
  4. Step 4: Simplify right side
    436,233.60x = 89,459,640,012.66
  5. Step 5: Solve for x
    x = 89,459,640,012.66/436,233.60
  6. Step 6: Final answer
    x = 205,072.79

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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.