Home / 325,964.30-488,663.82-126,147.15

Finding the Fourth Proportional to 325,964.30, 488,663.82 and 126,147.15

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Solution

The fourth proportional to 325,964.30, 488,663.82 and 126,147.15 is: 189,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,964.30 : 488,663.82 = 126,147.15 : x
  2. Step 2: Convert to fraction form
    325,964.30/488,663.82 = 126,147.15/x
  3. Step 3: Cross multiply
    325,964.30x = 488,663.82 × 126,147.15
  4. Step 4: Simplify right side
    325,964.30x = 61,643,548,201.11
  5. Step 5: Solve for x
    x = 61,643,548,201.11/325,964.30
  6. Step 6: Final answer
    x = 189,111.35

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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.