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Finding the Fourth Proportional to 340,981.60, 511,472.40 and 332,233.60

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Solution

The fourth proportional to 340,981.60, 511,472.40 and 332,233.60 is: 498,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,981.60 : 511,472.40 = 332,233.60 : x
  2. Step 2: Convert to fraction form
    340,981.60/511,472.40 = 332,233.60/x
  3. Step 3: Cross multiply
    340,981.60x = 511,472.40 × 332,233.60
  4. Step 4: Simplify right side
    340,981.60x = 169,928,316,752.64
  5. Step 5: Solve for x
    x = 169,928,316,752.64/340,981.60
  6. Step 6: Final answer
    x = 498,350.40

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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.