Home / 429,964.92-644,945.34-110,116.16

Finding the Fourth Proportional to 429,964.92, 644,945.34 and 110,116.16

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Solution

The fourth proportional to 429,964.92, 644,945.34 and 110,116.16 is: 165,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,964.92 : 644,945.34 = 110,116.16 : x
  2. Step 2: Convert to fraction form
    429,964.92/644,945.34 = 110,116.16/x
  3. Step 3: Cross multiply
    429,964.92x = 644,945.34 × 110,116.16
  4. Step 4: Simplify right side
    429,964.92x = 71,018,904,250.69
  5. Step 5: Solve for x
    x = 71,018,904,250.69/429,964.92
  6. Step 6: Final answer
    x = 165,173.72

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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.