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Finding the Fourth Proportional to 255,239.29, 382,769.69 and 75,276.98

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Solution

The fourth proportional to 255,239.29, 382,769.69 and 75,276.98 is: 112,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,239.29 : 382,769.69 = 75,276.98 : x
  2. Step 2: Convert to fraction form
    255,239.29/382,769.69 = 75,276.98/x
  3. Step 3: Cross multiply
    255,239.29x = 382,769.69 × 75,276.98
  4. Step 4: Simplify right side
    255,239.29x = 28,813,745,443.89
  5. Step 5: Solve for x
    x = 28,813,745,443.89/255,239.29
  6. Step 6: Final answer
    x = 112,889.15

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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.