Home / 274,607.28-378,997.82-153,756.34

Finding the Fourth Proportional to 274,607.28, 378,997.82 and 153,756.34

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Solution

The fourth proportional to 274,607.28, 378,997.82 and 153,756.34 is: 212,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,607.28 : 378,997.82 = 153,756.34 : x
  2. Step 2: Convert to fraction form
    274,607.28/378,997.82 = 153,756.34/x
  3. Step 3: Cross multiply
    274,607.28x = 378,997.82 × 153,756.34
  4. Step 4: Simplify right side
    274,607.28x = 58,273,318,663.35
  5. Step 5: Solve for x
    x = 58,273,318,663.35/274,607.28
  6. Step 6: Final answer
    x = 212,206.02

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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.