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Finding the Fourth Proportional to 425,340.60, 586,976.94 and 234,351.24

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Solution

The fourth proportional to 425,340.60, 586,976.94 and 234,351.24 is: 323,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,340.60 : 586,976.94 = 234,351.24 : x
  2. Step 2: Convert to fraction form
    425,340.60/586,976.94 = 234,351.24/x
  3. Step 3: Cross multiply
    425,340.60x = 586,976.94 × 234,351.24
  4. Step 4: Simplify right side
    425,340.60x = 137,558,773,740.41
  5. Step 5: Solve for x
    x = 137,558,773,740.41/425,340.60
  6. Step 6: Final answer
    x = 323,408.52

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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.