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Finding the Fourth Proportional to 279,026.98, 418,294.88 and 110,665.51

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Solution

The fourth proportional to 279,026.98, 418,294.88 and 110,665.51 is: 165,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,026.98 : 418,294.88 = 110,665.51 : x
  2. Step 2: Convert to fraction form
    279,026.98/418,294.88 = 110,665.51/x
  3. Step 3: Cross multiply
    279,026.98x = 418,294.88 × 110,665.51
  4. Step 4: Simplify right side
    279,026.98x = 46,290,815,041.52
  5. Step 5: Solve for x
    x = 46,290,815,041.52/279,026.98
  6. Step 6: Final answer
    x = 165,900.86

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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.