Home / 328,023.36-491,801.76-157,049.28

Finding the Fourth Proportional to 328,023.36, 491,801.76 and 157,049.28

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Solution

The fourth proportional to 328,023.36, 491,801.76 and 157,049.28 is: 235,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,023.36 : 491,801.76 = 157,049.28 : x
  2. Step 2: Convert to fraction form
    328,023.36/491,801.76 = 157,049.28/x
  3. Step 3: Cross multiply
    328,023.36x = 491,801.76 × 157,049.28
  4. Step 4: Simplify right side
    328,023.36x = 77,237,112,310.73
  5. Step 5: Solve for x
    x = 77,237,112,310.73/328,023.36
  6. Step 6: Final answer
    x = 235,462.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.