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Finding the Fourth Proportional to 440,019.95, 660,024.35 and 140,496.73

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Solution

The fourth proportional to 440,019.95, 660,024.35 and 140,496.73 is: 210,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,019.95 : 660,024.35 = 140,496.73 : x
  2. Step 2: Convert to fraction form
    440,019.95/660,024.35 = 140,496.73/x
  3. Step 3: Cross multiply
    440,019.95x = 660,024.35 × 140,496.73
  4. Step 4: Simplify right side
    440,019.95x = 92,731,261,069.69
  5. Step 5: Solve for x
    x = 92,731,261,069.69/440,019.95
  6. Step 6: Final answer
    x = 210,743.31

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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.