Home / 281,917.26-389,045.43-154,592.82

Finding the Fourth Proportional to 281,917.26, 389,045.43 and 154,592.82

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Solution

The fourth proportional to 281,917.26, 389,045.43 and 154,592.82 is: 213,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,917.26 : 389,045.43 = 154,592.82 : x
  2. Step 2: Convert to fraction form
    281,917.26/389,045.43 = 154,592.82/x
  3. Step 3: Cross multiply
    281,917.26x = 389,045.43 × 154,592.82
  4. Step 4: Simplify right side
    281,917.26x = 60,143,630,131.81
  5. Step 5: Solve for x
    x = 60,143,630,131.81/281,917.26
  6. Step 6: Final answer
    x = 213,337.88

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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.