Home / 210,311.44-289,721.82-179,999.80

Finding the Fourth Proportional to 210,311.44, 289,721.82 and 179,999.80

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Solution

The fourth proportional to 210,311.44, 289,721.82 and 179,999.80 is: 247,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,311.44 : 289,721.82 = 179,999.80 : x
  2. Step 2: Convert to fraction form
    210,311.44/289,721.82 = 179,999.80/x
  3. Step 3: Cross multiply
    210,311.44x = 289,721.82 × 179,999.80
  4. Step 4: Simplify right side
    210,311.44x = 52,149,869,655.64
  5. Step 5: Solve for x
    x = 52,149,869,655.64/210,311.44
  6. Step 6: Final answer
    x = 247,964.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.