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Finding the Fourth Proportional to 382,026.60, 572,252.38 and 223,775.28

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Solution

The fourth proportional to 382,026.60, 572,252.38 and 223,775.28 is: 335,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,026.60 : 572,252.38 = 223,775.28 : x
  2. Step 2: Convert to fraction form
    382,026.60/572,252.38 = 223,775.28/x
  3. Step 3: Cross multiply
    382,026.60x = 572,252.38 × 223,775.28
  4. Step 4: Simplify right side
    382,026.60x = 128,055,936,565.17
  5. Step 5: Solve for x
    x = 128,055,936,565.17/382,026.60
  6. Step 6: Final answer
    x = 335,201.62

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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.