Home / 319,340.25-479,010.38-179,109.81

Finding the Fourth Proportional to 319,340.25, 479,010.38 and 179,109.81

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Solution

The fourth proportional to 319,340.25, 479,010.38 and 179,109.81 is: 268,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,340.25 : 479,010.38 = 179,109.81 : x
  2. Step 2: Convert to fraction form
    319,340.25/479,010.38 = 179,109.81/x
  3. Step 3: Cross multiply
    319,340.25x = 479,010.38 × 179,109.81
  4. Step 4: Simplify right side
    319,340.25x = 85,795,457,254.28
  5. Step 5: Solve for x
    x = 85,795,457,254.28/319,340.25
  6. Step 6: Final answer
    x = 268,664.72

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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.