Home / 239,819.72-330,953.90-132,389.82

Finding the Fourth Proportional to 239,819.72, 330,953.90 and 132,389.82

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Solution

The fourth proportional to 239,819.72, 330,953.90 and 132,389.82 is: 182,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.72 : 330,953.90 = 132,389.82 : x
  2. Step 2: Convert to fraction form
    239,819.72/330,953.90 = 132,389.82/x
  3. Step 3: Cross multiply
    239,819.72x = 330,953.90 × 132,389.82
  4. Step 4: Simplify right side
    239,819.72x = 43,814,926,587.35
  5. Step 5: Solve for x
    x = 43,814,926,587.35/239,819.72
  6. Step 6: Final answer
    x = 182,699.44

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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.