Home / 238,299.12-357,229.66-103,278.53

Finding the Fourth Proportional to 238,299.12, 357,229.66 and 103,278.53

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Solution

The fourth proportional to 238,299.12, 357,229.66 and 103,278.53 is: 154,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,299.12 : 357,229.66 = 103,278.53 : x
  2. Step 2: Convert to fraction form
    238,299.12/357,229.66 = 103,278.53/x
  3. Step 3: Cross multiply
    238,299.12x = 357,229.66 × 103,278.53
  4. Step 4: Simplify right side
    238,299.12x = 36,894,154,157.20
  5. Step 5: Solve for x
    x = 36,894,154,157.20/238,299.12
  6. Step 6: Final answer
    x = 154,822.87

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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.