Home / 284,691.03-392,858.28-157,359.03

Finding the Fourth Proportional to 284,691.03, 392,858.28 and 157,359.03

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Solution

The fourth proportional to 284,691.03, 392,858.28 and 157,359.03 is: 217,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,691.03 : 392,858.28 = 157,359.03 : x
  2. Step 2: Convert to fraction form
    284,691.03/392,858.28 = 157,359.03/x
  3. Step 3: Cross multiply
    284,691.03x = 392,858.28 × 157,359.03
  4. Step 4: Simplify right side
    284,691.03x = 61,819,797,868.27
  5. Step 5: Solve for x
    x = 61,819,797,868.27/284,691.03
  6. Step 6: Final answer
    x = 217,146.98

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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.