Home / 309,784.28-464,693.70-88,151

Finding the Fourth Proportional to 309,784.28, 464,693.70 and 88,151

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Solution

The fourth proportional to 309,784.28, 464,693.70 and 88,151 is: 132,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,784.28 : 464,693.70 = 88,151 : x
  2. Step 2: Convert to fraction form
    309,784.28/464,693.70 = 88,151/x
  3. Step 3: Cross multiply
    309,784.28x = 464,693.70 × 88,151
  4. Step 4: Simplify right side
    309,784.28x = 40,963,214,348.70
  5. Step 5: Solve for x
    x = 40,963,214,348.70/309,784.28
  6. Step 6: Final answer
    x = 132,231.42

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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.