Home / 319,383.06-479,118.33-108,964.50

Finding the Fourth Proportional to 319,383.06, 479,118.33 and 108,964.50

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Solution

The fourth proportional to 319,383.06, 479,118.33 and 108,964.50 is: 163,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,383.06 : 479,118.33 = 108,964.50 : x
  2. Step 2: Convert to fraction form
    319,383.06/479,118.33 = 108,964.50/x
  3. Step 3: Cross multiply
    319,383.06x = 479,118.33 × 108,964.50
  4. Step 4: Simplify right side
    319,383.06x = 52,206,889,269.29
  5. Step 5: Solve for x
    x = 52,206,889,269.29/319,383.06
  6. Step 6: Final answer
    x = 163,461.67

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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.