Home / 319,277.90-479,103.24-177,242.78

Finding the Fourth Proportional to 319,277.90, 479,103.24 and 177,242.78

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Solution

The fourth proportional to 319,277.90, 479,103.24 and 177,242.78 is: 265,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,277.90 : 479,103.24 = 177,242.78 : x
  2. Step 2: Convert to fraction form
    319,277.90/479,103.24 = 177,242.78/x
  3. Step 3: Cross multiply
    319,277.90x = 479,103.24 × 177,242.78
  4. Step 4: Simplify right side
    319,277.90x = 84,917,590,164.61
  5. Step 5: Solve for x
    x = 84,917,590,164.61/319,277.90
  6. Step 6: Final answer
    x = 265,967.64

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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.