Home / 382,457.20-527,781.72-208,022.92

Finding the Fourth Proportional to 382,457.20, 527,781.72 and 208,022.92

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Solution

The fourth proportional to 382,457.20, 527,781.72 and 208,022.92 is: 287,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,457.20 : 527,781.72 = 208,022.92 : x
  2. Step 2: Convert to fraction form
    382,457.20/527,781.72 = 208,022.92/x
  3. Step 3: Cross multiply
    382,457.20x = 527,781.72 × 208,022.92
  4. Step 4: Simplify right side
    382,457.20x = 109,790,694,517.02
  5. Step 5: Solve for x
    x = 109,790,694,517.02/382,457.20
  6. Step 6: Final answer
    x = 287,066.62

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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.