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Finding the Fourth Proportional to 266,029.86, 398,820.06 and 123,801.75

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Solution

The fourth proportional to 266,029.86, 398,820.06 and 123,801.75 is: 185,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,029.86 : 398,820.06 = 123,801.75 : x
  2. Step 2: Convert to fraction form
    266,029.86/398,820.06 = 123,801.75/x
  3. Step 3: Cross multiply
    266,029.86x = 398,820.06 × 123,801.75
  4. Step 4: Simplify right side
    266,029.86x = 49,374,621,363.11
  5. Step 5: Solve for x
    x = 49,374,621,363.11/266,029.86
  6. Step 6: Final answer
    x = 185,598.04

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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.