Home / 319,686.03-479,191.68-106,396.61

Finding the Fourth Proportional to 319,686.03, 479,191.68 and 106,396.61

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Solution

The fourth proportional to 319,686.03, 479,191.68 and 106,396.61 is: 159,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,686.03 : 479,191.68 = 106,396.61 : x
  2. Step 2: Convert to fraction form
    319,686.03/479,191.68 = 106,396.61/x
  3. Step 3: Cross multiply
    319,686.03x = 479,191.68 × 106,396.61
  4. Step 4: Simplify right side
    319,686.03x = 50,984,367,896.25
  5. Step 5: Solve for x
    x = 50,984,367,896.25/319,686.03
  6. Step 6: Final answer
    x = 159,482.63

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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.