Home / 238,246.74-328,785.20-130,815.83

Finding the Fourth Proportional to 238,246.74, 328,785.20 and 130,815.83

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Solution

The fourth proportional to 238,246.74, 328,785.20 and 130,815.83 is: 180,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,246.74 : 328,785.20 = 130,815.83 : x
  2. Step 2: Convert to fraction form
    238,246.74/328,785.20 = 130,815.83/x
  3. Step 3: Cross multiply
    238,246.74x = 328,785.20 × 130,815.83
  4. Step 4: Simplify right side
    238,246.74x = 43,010,306,531.71
  5. Step 5: Solve for x
    x = 43,010,306,531.71/238,246.74
  6. Step 6: Final answer
    x = 180,528.42

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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.