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Finding the Fourth Proportional to 447,802.08, 617,974.96 and 243,859.04

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Solution

The fourth proportional to 447,802.08, 617,974.96 and 243,859.04 is: 336,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,802.08 : 617,974.96 = 243,859.04 : x
  2. Step 2: Convert to fraction form
    447,802.08/617,974.96 = 243,859.04/x
  3. Step 3: Cross multiply
    447,802.08x = 617,974.96 × 243,859.04
  4. Step 4: Simplify right side
    447,802.08x = 150,698,780,489.64
  5. Step 5: Solve for x
    x = 150,698,780,489.64/447,802.08
  6. Step 6: Final answer
    x = 336,529.88

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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.