Home / 238,920.57-358,432.70-72,704.25

Finding the Fourth Proportional to 238,920.57, 358,432.70 and 72,704.25

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Solution

The fourth proportional to 238,920.57, 358,432.70 and 72,704.25 is: 109,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,920.57 : 358,432.70 = 72,704.25 : x
  2. Step 2: Convert to fraction form
    238,920.57/358,432.70 = 72,704.25/x
  3. Step 3: Cross multiply
    238,920.57x = 358,432.70 × 72,704.25
  4. Step 4: Simplify right side
    238,920.57x = 26,059,580,265.45
  5. Step 5: Solve for x
    x = 26,059,580,265.45/238,920.57
  6. Step 6: Final answer
    x = 109,072.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.