Home / 379,269.09-568,925.51-142,613.82

Finding the Fourth Proportional to 379,269.09, 568,925.51 and 142,613.82

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Solution

The fourth proportional to 379,269.09, 568,925.51 and 142,613.82 is: 213,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,269.09 : 568,925.51 = 142,613.82 : x
  2. Step 2: Convert to fraction form
    379,269.09/568,925.51 = 142,613.82/x
  3. Step 3: Cross multiply
    379,269.09x = 568,925.51 × 142,613.82
  4. Step 4: Simplify right side
    379,269.09x = 81,136,639,563.48
  5. Step 5: Solve for x
    x = 81,136,639,563.48/379,269.09
  6. Step 6: Final answer
    x = 213,928.95

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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.