Home / 319,810.50-479,718.18-109,450.26

Finding the Fourth Proportional to 319,810.50, 479,718.18 and 109,450.26

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Solution

The fourth proportional to 319,810.50, 479,718.18 and 109,450.26 is: 164,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,810.50 : 479,718.18 = 109,450.26 : x
  2. Step 2: Convert to fraction form
    319,810.50/479,718.18 = 109,450.26/x
  3. Step 3: Cross multiply
    319,810.50x = 479,718.18 × 109,450.26
  4. Step 4: Simplify right side
    319,810.50x = 52,505,279,527.73
  5. Step 5: Solve for x
    x = 52,505,279,527.73/319,810.50
  6. Step 6: Final answer
    x = 164,176.22

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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.