Home / 238,320.20-328,883.82-130,891.52

Finding the Fourth Proportional to 238,320.20, 328,883.82 and 130,891.52

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Solution

The fourth proportional to 238,320.20, 328,883.82 and 130,891.52 is: 180,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,320.20 : 328,883.82 = 130,891.52 : x
  2. Step 2: Convert to fraction form
    238,320.20/328,883.82 = 130,891.52/x
  3. Step 3: Cross multiply
    238,320.20x = 328,883.82 × 130,891.52
  4. Step 4: Simplify right side
    238,320.20x = 43,048,103,103.21
  5. Step 5: Solve for x
    x = 43,048,103,103.21/238,320.20
  6. Step 6: Final answer
    x = 180,631.37

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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.