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Finding the Fourth Proportional to 246,750, 370,128.03 and 86,830.71

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Solution

The fourth proportional to 246,750, 370,128.03 and 86,830.71 is: 130,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,750 : 370,128.03 = 86,830.71 : x
  2. Step 2: Convert to fraction form
    246,750/370,128.03 = 86,830.71/x
  3. Step 3: Cross multiply
    246,750x = 370,128.03 × 86,830.71
  4. Step 4: Simplify right side
    246,750x = 32,138,479,635.80
  5. Step 5: Solve for x
    x = 32,138,479,635.80/246,750
  6. Step 6: Final answer
    x = 130,247.13

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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.