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Finding the Fourth Proportional to 285,752.93, 428,596.56 and 75,407.27

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Solution

The fourth proportional to 285,752.93, 428,596.56 and 75,407.27 is: 113,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,752.93 : 428,596.56 = 75,407.27 : x
  2. Step 2: Convert to fraction form
    285,752.93/428,596.56 = 75,407.27/x
  3. Step 3: Cross multiply
    285,752.93x = 428,596.56 × 75,407.27
  4. Step 4: Simplify right side
    285,752.93x = 32,319,294,378.01
  5. Step 5: Solve for x
    x = 32,319,294,378.01/285,752.93
  6. Step 6: Final answer
    x = 113,102.23

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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.