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Finding the Fourth Proportional to 440,087.87, 660,002.40 and 187,365.44

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Solution

The fourth proportional to 440,087.87, 660,002.40 and 187,365.44 is: 280,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,087.87 : 660,002.40 = 187,365.44 : x
  2. Step 2: Convert to fraction form
    440,087.87/660,002.40 = 187,365.44/x
  3. Step 3: Cross multiply
    440,087.87x = 660,002.40 × 187,365.44
  4. Step 4: Simplify right side
    440,087.87x = 123,661,636,777.04
  5. Step 5: Solve for x
    x = 123,661,636,777.04/440,087.87
  6. Step 6: Final answer
    x = 280,993.06

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1.5x scale

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.