Home / 243,531.20-334,782.58-209,414.72

Finding the Fourth Proportional to 243,531.20, 334,782.58 and 209,414.72

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Solution

The fourth proportional to 243,531.20, 334,782.58 and 209,414.72 is: 287,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,531.20 : 334,782.58 = 209,414.72 : x
  2. Step 2: Convert to fraction form
    243,531.20/334,782.58 = 209,414.72/x
  3. Step 3: Cross multiply
    243,531.20x = 334,782.58 × 209,414.72
  4. Step 4: Simplify right side
    243,531.20x = 70,108,400,251.58
  5. Step 5: Solve for x
    x = 70,108,400,251.58/243,531.20
  6. Step 6: Final answer
    x = 287,882.62

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.