Home / 376,669.60-519,952.16-225,737.44

Finding the Fourth Proportional to 376,669.60, 519,952.16 and 225,737.44

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Solution

The fourth proportional to 376,669.60, 519,952.16 and 225,737.44 is: 311,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,669.60 : 519,952.16 = 225,737.44 : x
  2. Step 2: Convert to fraction form
    376,669.60/519,952.16 = 225,737.44/x
  3. Step 3: Cross multiply
    376,669.60x = 519,952.16 × 225,737.44
  4. Step 4: Simplify right side
    376,669.60x = 117,372,669,520.87
  5. Step 5: Solve for x
    x = 117,372,669,520.87/376,669.60
  6. Step 6: Final answer
    x = 311,606.43

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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.