Home / 436,077.47-654,116.21-136,581.49

Finding the Fourth Proportional to 436,077.47, 654,116.21 and 136,581.49

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Solution

The fourth proportional to 436,077.47, 654,116.21 and 136,581.49 is: 204,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,077.47 : 654,116.21 = 136,581.49 : x
  2. Step 2: Convert to fraction form
    436,077.47/654,116.21 = 136,581.49/x
  3. Step 3: Cross multiply
    436,077.47x = 654,116.21 × 136,581.49
  4. Step 4: Simplify right side
    436,077.47x = 89,340,166,936.41
  5. Step 5: Solve for x
    x = 89,340,166,936.41/436,077.47
  6. Step 6: Final answer
    x = 204,872.24

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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.