Home / 285,148.46-393,546.43-164,266.49

Finding the Fourth Proportional to 285,148.46, 393,546.43 and 164,266.49

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Solution

The fourth proportional to 285,148.46, 393,546.43 and 164,266.49 is: 226,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,148.46 : 393,546.43 = 164,266.49 : x
  2. Step 2: Convert to fraction form
    285,148.46/393,546.43 = 164,266.49/x
  3. Step 3: Cross multiply
    285,148.46x = 393,546.43 × 164,266.49
  4. Step 4: Simplify right side
    285,148.46x = 64,646,491,897.33
  5. Step 5: Solve for x
    x = 64,646,491,897.33/285,148.46
  6. Step 6: Final answer
    x = 226,711.70

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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.