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Finding the Fourth Proportional to 276,219.67, 413,664.90 and 187,203.10

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Solution

The fourth proportional to 276,219.67, 413,664.90 and 187,203.10 is: 280,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,219.67 : 413,664.90 = 187,203.10 : x
  2. Step 2: Convert to fraction form
    276,219.67/413,664.90 = 187,203.10/x
  3. Step 3: Cross multiply
    276,219.67x = 413,664.90 × 187,203.10
  4. Step 4: Simplify right side
    276,219.67x = 77,439,351,641.19
  5. Step 5: Solve for x
    x = 77,439,351,641.19/276,219.67
  6. Step 6: Final answer
    x = 280,354.23

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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.