Home / 436,254.81-654,382.21-136,736.96

Finding the Fourth Proportional to 436,254.81, 654,382.21 and 136,736.96

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Solution

The fourth proportional to 436,254.81, 654,382.21 and 136,736.96 is: 205,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,254.81 : 654,382.21 = 136,736.96 : x
  2. Step 2: Convert to fraction form
    436,254.81/654,382.21 = 136,736.96/x
  3. Step 3: Cross multiply
    436,254.81x = 654,382.21 × 136,736.96
  4. Step 4: Simplify right side
    436,254.81x = 89,478,234,073.48
  5. Step 5: Solve for x
    x = 89,478,234,073.48/436,254.81
  6. Step 6: Final answer
    x = 205,105.44

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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.