Home / 238,082.78-328,559.19-130,646.54

Finding the Fourth Proportional to 238,082.78, 328,559.19 and 130,646.54

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Solution

The fourth proportional to 238,082.78, 328,559.19 and 130,646.54 is: 180,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,082.78 : 328,559.19 = 130,646.54 : x
  2. Step 2: Convert to fraction form
    238,082.78/328,559.19 = 130,646.54/x
  3. Step 3: Cross multiply
    238,082.78x = 328,559.19 × 130,646.54
  4. Step 4: Simplify right side
    238,082.78x = 42,925,121,358.70
  5. Step 5: Solve for x
    x = 42,925,121,358.70/238,082.78
  6. Step 6: Final answer
    x = 180,294.94

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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.