Home / 286,136.24-394,886.88-165,282.60

Finding the Fourth Proportional to 286,136.24, 394,886.88 and 165,282.60

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Solution

The fourth proportional to 286,136.24, 394,886.88 and 165,282.60 is: 228,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,136.24 : 394,886.88 = 165,282.60 : x
  2. Step 2: Convert to fraction form
    286,136.24/394,886.88 = 165,282.60/x
  3. Step 3: Cross multiply
    286,136.24x = 394,886.88 × 165,282.60
  4. Step 4: Simplify right side
    286,136.24x = 65,267,930,232.29
  5. Step 5: Solve for x
    x = 65,267,930,232.29/286,136.24
  6. Step 6: Final answer
    x = 228,100.89

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1.5x scale

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.