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Finding the Fourth Proportional to 319,773.69, 479,622.33 and 248,767.20

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Solution

The fourth proportional to 319,773.69, 479,622.33 and 248,767.20 is: 373,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,773.69 : 479,622.33 = 248,767.20 : x
  2. Step 2: Convert to fraction form
    319,773.69/479,622.33 = 248,767.20/x
  3. Step 3: Cross multiply
    319,773.69x = 479,622.33 × 248,767.20
  4. Step 4: Simplify right side
    319,773.69x = 119,314,304,091.58
  5. Step 5: Solve for x
    x = 119,314,304,091.58/319,773.69
  6. Step 6: Final answer
    x = 373,121.08

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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.