Home / 338,077.90-507,116.85-88,785.10

Finding the Fourth Proportional to 338,077.90, 507,116.85 and 88,785.10

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Solution

The fourth proportional to 338,077.90, 507,116.85 and 88,785.10 is: 133,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,077.90 : 507,116.85 = 88,785.10 : x
  2. Step 2: Convert to fraction form
    338,077.90/507,116.85 = 88,785.10/x
  3. Step 3: Cross multiply
    338,077.90x = 507,116.85 × 88,785.10
  4. Step 4: Simplify right side
    338,077.90x = 45,024,420,238.94
  5. Step 5: Solve for x
    x = 45,024,420,238.94/338,077.90
  6. Step 6: Final answer
    x = 133,177.65

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1.5x scale

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.