Home / 268,254.38-402,101.31-197,071.18

Finding the Fourth Proportional to 268,254.38, 402,101.31 and 197,071.18

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Solution

The fourth proportional to 268,254.38, 402,101.31 and 197,071.18 is: 295,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,254.38 : 402,101.31 = 197,071.18 : x
  2. Step 2: Convert to fraction form
    268,254.38/402,101.31 = 197,071.18/x
  3. Step 3: Cross multiply
    268,254.38x = 402,101.31 × 197,071.18
  4. Step 4: Simplify right side
    268,254.38x = 79,242,577,630.74
  5. Step 5: Solve for x
    x = 79,242,577,630.74/268,254.38
  6. Step 6: Final answer
    x = 295,400.87

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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.