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Finding the Fourth Proportional to 425,234.28, 586,820.58 and 234,243.24

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Solution

The fourth proportional to 425,234.28, 586,820.58 and 234,243.24 is: 323,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,234.28 : 586,820.58 = 234,243.24 : x
  2. Step 2: Convert to fraction form
    425,234.28/586,820.58 = 234,243.24/x
  3. Step 3: Cross multiply
    425,234.28x = 586,820.58 × 234,243.24
  4. Step 4: Simplify right side
    425,234.28x = 137,458,753,957.88
  5. Step 5: Solve for x
    x = 137,458,753,957.88/425,234.28
  6. Step 6: Final answer
    x = 323,254.17

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1.5x scale

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.