Home / 268,474.52-402,460.27-90,857.18

Finding the Fourth Proportional to 268,474.52, 402,460.27 and 90,857.18

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Solution

The fourth proportional to 268,474.52, 402,460.27 and 90,857.18 is: 136,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,474.52 : 402,460.27 = 90,857.18 : x
  2. Step 2: Convert to fraction form
    268,474.52/402,460.27 = 90,857.18/x
  3. Step 3: Cross multiply
    268,474.52x = 402,460.27 × 90,857.18
  4. Step 4: Simplify right side
    268,474.52x = 36,566,405,194.24
  5. Step 5: Solve for x
    x = 36,566,405,194.24/268,474.52
  6. Step 6: Final answer
    x = 136,200.65

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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.