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Finding the Fourth Proportional to 440,112.76, 660,162.06 and 140,591.40

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Solution

The fourth proportional to 440,112.76, 660,162.06 and 140,591.40 is: 210,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,112.76 : 660,162.06 = 140,591.40 : x
  2. Step 2: Convert to fraction form
    440,112.76/660,162.06 = 140,591.40/x
  3. Step 3: Cross multiply
    440,112.76x = 660,162.06 × 140,591.40
  4. Step 4: Simplify right side
    440,112.76x = 92,813,108,242.28
  5. Step 5: Solve for x
    x = 92,813,108,242.28/440,112.76
  6. Step 6: Final answer
    x = 210,884.84

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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.