Home / 268,474.77-402,460.65-90,857.43

Finding the Fourth Proportional to 268,474.77, 402,460.65 and 90,857.43

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Solution

The fourth proportional to 268,474.77, 402,460.65 and 90,857.43 is: 136,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,474.77 : 402,460.65 = 90,857.43 : x
  2. Step 2: Convert to fraction form
    268,474.77/402,460.65 = 90,857.43/x
  3. Step 3: Cross multiply
    268,474.77x = 402,460.65 × 90,857.43
  4. Step 4: Simplify right side
    268,474.77x = 36,566,540,335.13
  5. Step 5: Solve for x
    x = 36,566,540,335.13/268,474.77
  6. Step 6: Final answer
    x = 136,201.03

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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.