Home / 319,801.42-479,177.25-109,324.54

Finding the Fourth Proportional to 319,801.42, 479,177.25 and 109,324.54

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Solution

The fourth proportional to 319,801.42, 479,177.25 and 109,324.54 is: 163,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,801.42 : 479,177.25 = 109,324.54 : x
  2. Step 2: Convert to fraction form
    319,801.42/479,177.25 = 109,324.54/x
  3. Step 3: Cross multiply
    319,801.42x = 479,177.25 × 109,324.54
  4. Step 4: Simplify right side
    319,801.42x = 52,385,832,434.72
  5. Step 5: Solve for x
    x = 52,385,832,434.72/319,801.42
  6. Step 6: Final answer
    x = 163,807.38

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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.