Home / 379,231.22-568,931.67-142,575.95

Finding the Fourth Proportional to 379,231.22, 568,931.67 and 142,575.95

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Solution

The fourth proportional to 379,231.22, 568,931.67 and 142,575.95 is: 213,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,231.22 : 568,931.67 = 142,575.95 : x
  2. Step 2: Convert to fraction form
    379,231.22/568,931.67 = 142,575.95/x
  3. Step 3: Cross multiply
    379,231.22x = 568,931.67 × 142,575.95
  4. Step 4: Simplify right side
    379,231.22x = 81,115,973,335.34
  5. Step 5: Solve for x
    x = 81,115,973,335.34/379,231.22
  6. Step 6: Final answer
    x = 213,895.82

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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.