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Finding the Fourth Proportional to 285,068.28, 393,273.72 and 164,180.64

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Solution

The fourth proportional to 285,068.28, 393,273.72 and 164,180.64 is: 226,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,068.28 : 393,273.72 = 164,180.64 : x
  2. Step 2: Convert to fraction form
    285,068.28/393,273.72 = 164,180.64/x
  3. Step 3: Cross multiply
    285,068.28x = 393,273.72 × 164,180.64
  4. Step 4: Simplify right side
    285,068.28x = 64,567,931,044.78
  5. Step 5: Solve for x
    x = 64,567,931,044.78/285,068.28
  6. Step 6: Final answer
    x = 226,499.88

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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.