Home / 264,515.45-396,720.11-129,521.36

Finding the Fourth Proportional to 264,515.45, 396,720.11 and 129,521.36

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Solution

The fourth proportional to 264,515.45, 396,720.11 and 129,521.36 is: 194,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,515.45 : 396,720.11 = 129,521.36 : x
  2. Step 2: Convert to fraction form
    264,515.45/396,720.11 = 129,521.36/x
  3. Step 3: Cross multiply
    264,515.45x = 396,720.11 × 129,521.36
  4. Step 4: Simplify right side
    264,515.45x = 51,383,729,502.15
  5. Step 5: Solve for x
    x = 51,383,729,502.15/264,515.45
  6. Step 6: Final answer
    x = 194,256.07

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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.