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Finding the Fourth Proportional to 605,287.80, 907,858.80 and 250,264.80

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Solution

The fourth proportional to 605,287.80, 907,858.80 and 250,264.80 is: 375,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,287.80 : 907,858.80 = 250,264.80 : x
  2. Step 2: Convert to fraction form
    605,287.80/907,858.80 = 250,264.80/x
  3. Step 3: Cross multiply
    605,287.80x = 907,858.80 × 250,264.80
  4. Step 4: Simplify right side
    605,287.80x = 227,205,101,010.24
  5. Step 5: Solve for x
    x = 227,205,101,010.24/605,287.80
  6. Step 6: Final answer
    x = 375,367.06

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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.