Home / 281,666.22-422,500.05-71,304.18

Finding the Fourth Proportional to 281,666.22, 422,500.05 and 71,304.18

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Solution

The fourth proportional to 281,666.22, 422,500.05 and 71,304.18 is: 106,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,666.22 : 422,500.05 = 71,304.18 : x
  2. Step 2: Convert to fraction form
    281,666.22/422,500.05 = 71,304.18/x
  3. Step 3: Cross multiply
    281,666.22x = 422,500.05 × 71,304.18
  4. Step 4: Simplify right side
    281,666.22x = 30,126,019,615.21
  5. Step 5: Solve for x
    x = 30,126,019,615.21/281,666.22
  6. Step 6: Final answer
    x = 106,956.45

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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.