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Finding the Fourth Proportional to 440,019.39, 660,023.51 and 140,496.18

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Solution

The fourth proportional to 440,019.39, 660,023.51 and 140,496.18 is: 210,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,019.39 : 660,023.51 = 140,496.18 : x
  2. Step 2: Convert to fraction form
    440,019.39/660,023.51 = 140,496.18/x
  3. Step 3: Cross multiply
    440,019.39x = 660,023.51 × 140,496.18
  4. Step 4: Simplify right side
    440,019.39x = 92,730,778,565.07
  5. Step 5: Solve for x
    x = 92,730,778,565.07/440,019.39
  6. Step 6: Final answer
    x = 210,742.48

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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.