Home / 338,288.28-507,599.14-158,385.86

Finding the Fourth Proportional to 338,288.28, 507,599.14 and 158,385.86

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Solution

The fourth proportional to 338,288.28, 507,599.14 and 158,385.86 is: 237,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,288.28 : 507,599.14 = 158,385.86 : x
  2. Step 2: Convert to fraction form
    338,288.28/507,599.14 = 158,385.86/x
  3. Step 3: Cross multiply
    338,288.28x = 507,599.14 × 158,385.86
  4. Step 4: Simplify right side
    338,288.28x = 80,396,526,324.16
  5. Step 5: Solve for x
    x = 80,396,526,324.16/338,288.28
  6. Step 6: Final answer
    x = 237,656.85

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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.