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Finding the Fourth Proportional to 240,251, 331,136.98 and 219,889.04

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Solution

The fourth proportional to 240,251, 331,136.98 and 219,889.04 is: 303,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,251 : 331,136.98 = 219,889.04 : x
  2. Step 2: Convert to fraction form
    240,251/331,136.98 = 219,889.04/x
  3. Step 3: Cross multiply
    240,251x = 331,136.98 × 219,889.04
  4. Step 4: Simplify right side
    240,251x = 72,813,391,541.25
  5. Step 5: Solve for x
    x = 72,813,391,541.25/240,251
  6. Step 6: Final answer
    x = 303,072.17

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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.