Home / 213,997.92-321,050.26-64,240.98

Finding the Fourth Proportional to 213,997.92, 321,050.26 and 64,240.98

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Solution

The fourth proportional to 213,997.92, 321,050.26 and 64,240.98 is: 96,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,997.92 : 321,050.26 = 64,240.98 : x
  2. Step 2: Convert to fraction form
    213,997.92/321,050.26 = 64,240.98/x
  3. Step 3: Cross multiply
    213,997.92x = 321,050.26 × 64,240.98
  4. Step 4: Simplify right side
    213,997.92x = 20,624,583,331.65
  5. Step 5: Solve for x
    x = 20,624,583,331.65/213,997.92
  6. Step 6: Final answer
    x = 96,377.49

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1.5x scale

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.