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Finding the Fourth Proportional to 266,030.86, 398,821.56 and 123,802.75

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Solution

The fourth proportional to 266,030.86, 398,821.56 and 123,802.75 is: 185,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.86 : 398,821.56 = 123,802.75 : x
  2. Step 2: Convert to fraction form
    266,030.86/398,821.56 = 123,802.75/x
  3. Step 3: Cross multiply
    266,030.86x = 398,821.56 × 123,802.75
  4. Step 4: Simplify right side
    266,030.86x = 49,375,205,887.29
  5. Step 5: Solve for x
    x = 49,375,205,887.29/266,030.86
  6. Step 6: Final answer
    x = 185,599.54

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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.