Home / 386,183.20-578,929.20-149,447.20

Finding the Fourth Proportional to 386,183.20, 578,929.20 and 149,447.20

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Solution

The fourth proportional to 386,183.20, 578,929.20 and 149,447.20 is: 224,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,183.20 : 578,929.20 = 149,447.20 : x
  2. Step 2: Convert to fraction form
    386,183.20/578,929.20 = 149,447.20/x
  3. Step 3: Cross multiply
    386,183.20x = 578,929.20 × 149,447.20
  4. Step 4: Simplify right side
    386,183.20x = 86,519,347,938.24
  5. Step 5: Solve for x
    x = 86,519,347,938.24/386,183.20
  6. Step 6: Final answer
    x = 224,037.06

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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.