Home / 309,819.10-464,719.05-88,203.10

Finding the Fourth Proportional to 309,819.10, 464,719.05 and 88,203.10

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Solution

The fourth proportional to 309,819.10, 464,719.05 and 88,203.10 is: 132,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,819.10 : 464,719.05 = 88,203.10 : x
  2. Step 2: Convert to fraction form
    309,819.10/464,719.05 = 88,203.10/x
  3. Step 3: Cross multiply
    309,819.10x = 464,719.05 × 88,203.10
  4. Step 4: Simplify right side
    309,819.10x = 40,989,660,839.06
  5. Step 5: Solve for x
    x = 40,989,660,839.06/309,819.10
  6. Step 6: Final answer
    x = 132,301.92

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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.