Home / 319,769.64-479,570.94-95,069.61

Finding the Fourth Proportional to 319,769.64, 479,570.94 and 95,069.61

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Solution

The fourth proportional to 319,769.64, 479,570.94 and 95,069.61 is: 142,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,769.64 : 479,570.94 = 95,069.61 : x
  2. Step 2: Convert to fraction form
    319,769.64/479,570.94 = 95,069.61/x
  3. Step 3: Cross multiply
    319,769.64x = 479,570.94 × 95,069.61
  4. Step 4: Simplify right side
    319,769.64x = 45,592,622,233.13
  5. Step 5: Solve for x
    x = 45,592,622,233.13/319,769.64
  6. Step 6: Final answer
    x = 142,579.58

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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.