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Finding the Fourth Proportional to 276,807.78, 379,503.44 and 271,763.27

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Solution

The fourth proportional to 276,807.78, 379,503.44 and 271,763.27 is: 372,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,807.78 : 379,503.44 = 271,763.27 : x
  2. Step 2: Convert to fraction form
    276,807.78/379,503.44 = 271,763.27/x
  3. Step 3: Cross multiply
    276,807.78x = 379,503.44 × 271,763.27
  4. Step 4: Simplify right side
    276,807.78x = 103,135,092,574.32
  5. Step 5: Solve for x
    x = 103,135,092,574.32/276,807.78
  6. Step 6: Final answer
    x = 372,587.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.