Home / 285,196.60-428,215.44-159,083.24

Finding the Fourth Proportional to 285,196.60, 428,215.44 and 159,083.24

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Solution

The fourth proportional to 285,196.60, 428,215.44 and 159,083.24 is: 238,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,196.60 : 428,215.44 = 159,083.24 : x
  2. Step 2: Convert to fraction form
    285,196.60/428,215.44 = 159,083.24/x
  3. Step 3: Cross multiply
    285,196.60x = 428,215.44 × 159,083.24
  4. Step 4: Simplify right side
    285,196.60x = 68,121,899,613.23
  5. Step 5: Solve for x
    x = 68,121,899,613.23/285,196.60
  6. Step 6: Final answer
    x = 238,859.44

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1.5x scale

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.