Home / 253,581.05-380,442.68-101,884.65

Finding the Fourth Proportional to 253,581.05, 380,442.68 and 101,884.65

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Solution

The fourth proportional to 253,581.05, 380,442.68 and 101,884.65 is: 152,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,581.05 : 380,442.68 = 101,884.65 : x
  2. Step 2: Convert to fraction form
    253,581.05/380,442.68 = 101,884.65/x
  3. Step 3: Cross multiply
    253,581.05x = 380,442.68 × 101,884.65
  4. Step 4: Simplify right side
    253,581.05x = 38,761,268,787.44
  5. Step 5: Solve for x
    x = 38,761,268,787.44/253,581.05
  6. Step 6: Final answer
    x = 152,855.54

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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.