Home / 319,846.24-479,510.16-132,997.60

Finding the Fourth Proportional to 319,846.24, 479,510.16 and 132,997.60

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Solution

The fourth proportional to 319,846.24, 479,510.16 and 132,997.60 is: 199,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,846.24 : 479,510.16 = 132,997.60 : x
  2. Step 2: Convert to fraction form
    319,846.24/479,510.16 = 132,997.60/x
  3. Step 3: Cross multiply
    319,846.24x = 479,510.16 × 132,997.60
  4. Step 4: Simplify right side
    319,846.24x = 63,773,700,455.62
  5. Step 5: Solve for x
    x = 63,773,700,455.62/319,846.24
  6. Step 6: Final answer
    x = 199,388.62

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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.