Home / 281,926.26-389,057.85-154,601.82

Finding the Fourth Proportional to 281,926.26, 389,057.85 and 154,601.82

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Solution

The fourth proportional to 281,926.26, 389,057.85 and 154,601.82 is: 213,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,926.26 : 389,057.85 = 154,601.82 : x
  2. Step 2: Convert to fraction form
    281,926.26/389,057.85 = 154,601.82/x
  3. Step 3: Cross multiply
    281,926.26x = 389,057.85 × 154,601.82
  4. Step 4: Simplify right side
    281,926.26x = 60,149,051,695.29
  5. Step 5: Solve for x
    x = 60,149,051,695.29/281,926.26
  6. Step 6: Final answer
    x = 213,350.30

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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.