Home / 238,228.14-328,755.40-130,805.10

Finding the Fourth Proportional to 238,228.14, 328,755.40 and 130,805.10

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Solution

The fourth proportional to 238,228.14, 328,755.40 and 130,805.10 is: 180,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,228.14 : 328,755.40 = 130,805.10 : x
  2. Step 2: Convert to fraction form
    238,228.14/328,755.40 = 130,805.10/x
  3. Step 3: Cross multiply
    238,228.14x = 328,755.40 × 130,805.10
  4. Step 4: Simplify right side
    238,228.14x = 43,002,882,133.55
  5. Step 5: Solve for x
    x = 43,002,882,133.55/238,228.14
  6. Step 6: Final answer
    x = 180,511.34

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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.