Home / 229,324.78-316,618.08-148,981.28

Finding the Fourth Proportional to 229,324.78, 316,618.08 and 148,981.28

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Solution

The fourth proportional to 229,324.78, 316,618.08 and 148,981.28 is: 205,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,324.78 : 316,618.08 = 148,981.28 : x
  2. Step 2: Convert to fraction form
    229,324.78/316,618.08 = 148,981.28/x
  3. Step 3: Cross multiply
    229,324.78x = 316,618.08 × 148,981.28
  4. Step 4: Simplify right side
    229,324.78x = 47,170,166,084.64
  5. Step 5: Solve for x
    x = 47,170,166,084.64/229,324.78
  6. Step 6: Final answer
    x = 205,691.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.