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Finding the Fourth Proportional to 285,670.26, 428,511.47 and 96,136.34

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Solution

The fourth proportional to 285,670.26, 428,511.47 and 96,136.34 is: 144,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,670.26 : 428,511.47 = 96,136.34 : x
  2. Step 2: Convert to fraction form
    285,670.26/428,511.47 = 96,136.34/x
  3. Step 3: Cross multiply
    285,670.26x = 428,511.47 × 96,136.34
  4. Step 4: Simplify right side
    285,670.26x = 41,195,521,750.58
  5. Step 5: Solve for x
    x = 41,195,521,750.58/285,670.26
  6. Step 6: Final answer
    x = 144,206.55

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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.