Home / 469,819.76-648,356.02-254,961.68

Finding the Fourth Proportional to 469,819.76, 648,356.02 and 254,961.68

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Solution

The fourth proportional to 469,819.76, 648,356.02 and 254,961.68 is: 351,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,819.76 : 648,356.02 = 254,961.68 : x
  2. Step 2: Convert to fraction form
    469,819.76/648,356.02 = 254,961.68/x
  3. Step 3: Cross multiply
    469,819.76x = 648,356.02 × 254,961.68
  4. Step 4: Simplify right side
    469,819.76x = 165,305,936,218.13
  5. Step 5: Solve for x
    x = 165,305,936,218.13/469,819.76
  6. Step 6: Final answer
    x = 351,849.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.