Home / 268,036.30-403,981.09-231,042.86

Finding the Fourth Proportional to 268,036.30, 403,981.09 and 231,042.86

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Solution

The fourth proportional to 268,036.30, 403,981.09 and 231,042.86 is: 348,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,036.30 : 403,981.09 = 231,042.86 : x
  2. Step 2: Convert to fraction form
    268,036.30/403,981.09 = 231,042.86/x
  3. Step 3: Cross multiply
    268,036.30x = 403,981.09 × 231,042.86
  4. Step 4: Simplify right side
    268,036.30x = 93,336,945,264.30
  5. Step 5: Solve for x
    x = 93,336,945,264.30/268,036.30
  6. Step 6: Final answer
    x = 348,225.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.