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Finding the Fourth Proportional to 440,017.41, 660,020.55 and 140,494.20

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Solution

The fourth proportional to 440,017.41, 660,020.55 and 140,494.20 is: 210,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,017.41 : 660,020.55 = 140,494.20 : x
  2. Step 2: Convert to fraction form
    440,017.41/660,020.55 = 140,494.20/x
  3. Step 3: Cross multiply
    440,017.41x = 660,020.55 × 140,494.20
  4. Step 4: Simplify right side
    440,017.41x = 92,729,056,944.16
  5. Step 5: Solve for x
    x = 92,729,056,944.16/440,017.41
  6. Step 6: Final answer
    x = 210,739.52

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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.