Home / 232,338.78-348,528.96-90,180.72

Finding the Fourth Proportional to 232,338.78, 348,528.96 and 90,180.72

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Solution

The fourth proportional to 232,338.78, 348,528.96 and 90,180.72 is: 135,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,338.78 : 348,528.96 = 90,180.72 : x
  2. Step 2: Convert to fraction form
    232,338.78/348,528.96 = 90,180.72/x
  3. Step 3: Cross multiply
    232,338.78x = 348,528.96 × 90,180.72
  4. Step 4: Simplify right side
    232,338.78x = 31,430,592,553.65
  5. Step 5: Solve for x
    x = 31,430,592,553.65/232,338.78
  6. Step 6: Final answer
    x = 135,279.15

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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.