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Finding the Fourth Proportional to 322,888.28, 484,327.55 and 145,269.86

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Solution

The fourth proportional to 322,888.28, 484,327.55 and 145,269.86 is: 217,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,888.28 : 484,327.55 = 145,269.86 : x
  2. Step 2: Convert to fraction form
    322,888.28/484,327.55 = 145,269.86/x
  3. Step 3: Cross multiply
    322,888.28x = 484,327.55 × 145,269.86
  4. Step 4: Simplify right side
    322,888.28x = 70,358,195,382.64
  5. Step 5: Solve for x
    x = 70,358,195,382.64/322,888.28
  6. Step 6: Final answer
    x = 217,902.60

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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.