Home / 285,849.33-428,684.04-103,456.59

Finding the Fourth Proportional to 285,849.33, 428,684.04 and 103,456.59

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Solution

The fourth proportional to 285,849.33, 428,684.04 and 103,456.59 is: 155,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,849.33 : 428,684.04 = 103,456.59 : x
  2. Step 2: Convert to fraction form
    285,849.33/428,684.04 = 103,456.59/x
  3. Step 3: Cross multiply
    285,849.33x = 428,684.04 × 103,456.59
  4. Step 4: Simplify right side
    285,849.33x = 44,350,188,965.82
  5. Step 5: Solve for x
    x = 44,350,188,965.82/285,849.33
  6. Step 6: Final answer
    x = 155,152.33

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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.