Home / 436,234.60-654,350.68-136,716.45

Finding the Fourth Proportional to 436,234.60, 654,350.68 and 136,716.45

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Solution

The fourth proportional to 436,234.60, 654,350.68 and 136,716.45 is: 205,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,234.60 : 654,350.68 = 136,716.45 : x
  2. Step 2: Convert to fraction form
    436,234.60/654,350.68 = 136,716.45/x
  3. Step 3: Cross multiply
    436,234.60x = 654,350.68 × 136,716.45
  4. Step 4: Simplify right side
    436,234.60x = 89,460,502,024.69
  5. Step 5: Solve for x
    x = 89,460,502,024.69/436,234.60
  6. Step 6: Final answer
    x = 205,074.29

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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.