Home / 429,964.41-644,944.59-110,115.66

Finding the Fourth Proportional to 429,964.41, 644,944.59 and 110,115.66

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Solution

The fourth proportional to 429,964.41, 644,944.59 and 110,115.66 is: 165,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,964.41 : 644,944.59 = 110,115.66 : x
  2. Step 2: Convert to fraction form
    429,964.41/644,944.59 = 110,115.66/x
  3. Step 3: Cross multiply
    429,964.41x = 644,944.59 × 110,115.66
  4. Step 4: Simplify right side
    429,964.41x = 71,018,499,191.28
  5. Step 5: Solve for x
    x = 71,018,499,191.28/429,964.41
  6. Step 6: Final answer
    x = 165,172.97

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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.