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Finding the Fourth Proportional to 440,498.68, 660,791.58 and 140,904.04

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Solution

The fourth proportional to 440,498.68, 660,791.58 and 140,904.04 is: 211,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,498.68 : 660,791.58 = 140,904.04 : x
  2. Step 2: Convert to fraction form
    440,498.68/660,791.58 = 140,904.04/x
  3. Step 3: Cross multiply
    440,498.68x = 660,791.58 × 140,904.04
  4. Step 4: Simplify right side
    440,498.68x = 93,108,203,219.98
  5. Step 5: Solve for x
    x = 93,108,203,219.98/440,498.68
  6. Step 6: Final answer
    x = 211,369.99

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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.