Home / 268,276.02-402,414.11-99,774.33

Finding the Fourth Proportional to 268,276.02, 402,414.11 and 99,774.33

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Solution

The fourth proportional to 268,276.02, 402,414.11 and 99,774.33 is: 149,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,276.02 : 402,414.11 = 99,774.33 : x
  2. Step 2: Convert to fraction form
    268,276.02/402,414.11 = 99,774.33/x
  3. Step 3: Cross multiply
    268,276.02x = 402,414.11 × 99,774.33
  4. Step 4: Simplify right side
    268,276.02x = 40,150,597,708.92
  5. Step 5: Solve for x
    x = 40,150,597,708.92/268,276.02
  6. Step 6: Final answer
    x = 149,661.52

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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.