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Finding the Fourth Proportional to 440,401.92, 660,605.76 and 107,977.92

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Solution

The fourth proportional to 440,401.92, 660,605.76 and 107,977.92 is: 161,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,401.92 : 660,605.76 = 107,977.92 : x
  2. Step 2: Convert to fraction form
    440,401.92/660,605.76 = 107,977.92/x
  3. Step 3: Cross multiply
    440,401.92x = 660,605.76 × 107,977.92
  4. Step 4: Simplify right side
    440,401.92x = 71,330,835,904.82
  5. Step 5: Solve for x
    x = 71,330,835,904.82/440,401.92
  6. Step 6: Final answer
    x = 161,967.59

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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.