Home / 238,300.11-328,856.42-130,872.38

Finding the Fourth Proportional to 238,300.11, 328,856.42 and 130,872.38

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Solution

The fourth proportional to 238,300.11, 328,856.42 and 130,872.38 is: 180,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,300.11 : 328,856.42 = 130,872.38 : x
  2. Step 2: Convert to fraction form
    238,300.11/328,856.42 = 130,872.38/x
  3. Step 3: Cross multiply
    238,300.11x = 328,856.42 × 130,872.38
  4. Step 4: Simplify right side
    238,300.11x = 43,038,221,046.58
  5. Step 5: Solve for x
    x = 43,038,221,046.58/238,300.11
  6. Step 6: Final answer
    x = 180,605.12

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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.