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Finding the Fourth Proportional to 425,013, 586,517.96 and 234,025.92

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Solution

The fourth proportional to 425,013, 586,517.96 and 234,025.92 is: 322,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,013 : 586,517.96 = 234,025.92 : x
  2. Step 2: Convert to fraction form
    425,013/586,517.96 = 234,025.92/x
  3. Step 3: Cross multiply
    425,013x = 586,517.96 × 234,025.92
  4. Step 4: Simplify right side
    425,013x = 137,260,405,185.52
  5. Step 5: Solve for x
    x = 137,260,405,185.52/425,013
  6. Step 6: Final answer
    x = 322,955.78

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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.