Home / 305,909.28-458,872.97-146,002.06

Finding the Fourth Proportional to 305,909.28, 458,872.97 and 146,002.06

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Solution

The fourth proportional to 305,909.28, 458,872.97 and 146,002.06 is: 219,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,909.28 : 458,872.97 = 146,002.06 : x
  2. Step 2: Convert to fraction form
    305,909.28/458,872.97 = 146,002.06/x
  3. Step 3: Cross multiply
    305,909.28x = 458,872.97 × 146,002.06
  4. Step 4: Simplify right side
    305,909.28x = 66,996,399,289.41
  5. Step 5: Solve for x
    x = 66,996,399,289.41/305,909.28
  6. Step 6: Final answer
    x = 219,007.41

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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.