Home / 447,630.45-617,711.09-243,677.13

Finding the Fourth Proportional to 447,630.45, 617,711.09 and 243,677.13

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Solution

The fourth proportional to 447,630.45, 617,711.09 and 243,677.13 is: 336,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,630.45 : 617,711.09 = 243,677.13 : x
  2. Step 2: Convert to fraction form
    447,630.45/617,711.09 = 243,677.13/x
  3. Step 3: Cross multiply
    447,630.45x = 617,711.09 × 243,677.13
  4. Step 4: Simplify right side
    447,630.45x = 150,522,062,491.82
  5. Step 5: Solve for x
    x = 150,522,062,491.82/447,630.45
  6. Step 6: Final answer
    x = 336,264.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.