Home / 238,321.20-328,885.20-130,892.52

Finding the Fourth Proportional to 238,321.20, 328,885.20 and 130,892.52

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Solution

The fourth proportional to 238,321.20, 328,885.20 and 130,892.52 is: 180,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,321.20 : 328,885.20 = 130,892.52 : x
  2. Step 2: Convert to fraction form
    238,321.20/328,885.20 = 130,892.52/x
  3. Step 3: Cross multiply
    238,321.20x = 328,885.20 × 130,892.52
  4. Step 4: Simplify right side
    238,321.20x = 43,048,612,618.70
  5. Step 5: Solve for x
    x = 43,048,612,618.70/238,321.20
  6. Step 6: Final answer
    x = 180,632.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.