Home / 268,541.96-402,812.94-127,874.12

Finding the Fourth Proportional to 268,541.96, 402,812.94 and 127,874.12

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Solution

The fourth proportional to 268,541.96, 402,812.94 and 127,874.12 is: 191,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,541.96 : 402,812.94 = 127,874.12 : x
  2. Step 2: Convert to fraction form
    268,541.96/402,812.94 = 127,874.12/x
  3. Step 3: Cross multiply
    268,541.96x = 402,812.94 × 127,874.12
  4. Step 4: Simplify right side
    268,541.96x = 51,509,348,213.05
  5. Step 5: Solve for x
    x = 51,509,348,213.05/268,541.96
  6. Step 6: Final answer
    x = 191,811.18

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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.