Home / 268,446.49-402,961.50-108,632.45

Finding the Fourth Proportional to 268,446.49, 402,961.50 and 108,632.45

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Solution

The fourth proportional to 268,446.49, 402,961.50 and 108,632.45 is: 163,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,446.49 : 402,961.50 = 108,632.45 : x
  2. Step 2: Convert to fraction form
    268,446.49/402,961.50 = 108,632.45/x
  3. Step 3: Cross multiply
    268,446.49x = 402,961.50 × 108,632.45
  4. Step 4: Simplify right side
    268,446.49x = 43,774,695,000.68
  5. Step 5: Solve for x
    x = 43,774,695,000.68/268,446.49
  6. Step 6: Final answer
    x = 163,066.74

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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.