Home / 379,270.58-568,988.95-142,613.26

Finding the Fourth Proportional to 379,270.58, 568,988.95 and 142,613.26

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Solution

The fourth proportional to 379,270.58, 568,988.95 and 142,613.26 is: 213,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,270.58 : 568,988.95 = 142,613.26 : x
  2. Step 2: Convert to fraction form
    379,270.58/568,988.95 = 142,613.26/x
  3. Step 3: Cross multiply
    379,270.58x = 568,988.95 × 142,613.26
  4. Step 4: Simplify right side
    379,270.58x = 81,145,366,218.53
  5. Step 5: Solve for x
    x = 81,145,366,218.53/379,270.58
  6. Step 6: Final answer
    x = 213,951.13

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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.