Home / 281,922.29-389,052.81-154,600.55

Finding the Fourth Proportional to 281,922.29, 389,052.81 and 154,600.55

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Solution

The fourth proportional to 281,922.29, 389,052.81 and 154,600.55 is: 213,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,922.29 : 389,052.81 = 154,600.55 : x
  2. Step 2: Convert to fraction form
    281,922.29/389,052.81 = 154,600.55/x
  3. Step 3: Cross multiply
    281,922.29x = 389,052.81 × 154,600.55
  4. Step 4: Simplify right side
    281,922.29x = 60,147,776,459.78
  5. Step 5: Solve for x
    x = 60,147,776,459.78/281,922.29
  6. Step 6: Final answer
    x = 213,348.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.