Home / 338,002.56-507,248.01-132,867.72

Finding the Fourth Proportional to 338,002.56, 507,248.01 and 132,867.72

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Solution

The fourth proportional to 338,002.56, 507,248.01 and 132,867.72 is: 199,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,002.56 : 507,248.01 = 132,867.72 : x
  2. Step 2: Convert to fraction form
    338,002.56/507,248.01 = 132,867.72/x
  3. Step 3: Cross multiply
    338,002.56x = 507,248.01 × 132,867.72
  4. Step 4: Simplify right side
    338,002.56x = 67,396,886,563.24
  5. Step 5: Solve for x
    x = 67,396,886,563.24/338,002.56
  6. Step 6: Final answer
    x = 199,397.56

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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.