Home / 274,344.14-378,586.22-153,487.56

Finding the Fourth Proportional to 274,344.14, 378,586.22 and 153,487.56

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Solution

The fourth proportional to 274,344.14, 378,586.22 and 153,487.56 is: 211,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,344.14 : 378,586.22 = 153,487.56 : x
  2. Step 2: Convert to fraction form
    274,344.14/378,586.22 = 153,487.56/x
  3. Step 3: Cross multiply
    274,344.14x = 378,586.22 × 153,487.56
  4. Step 4: Simplify right side
    274,344.14x = 58,108,275,157.42
  5. Step 5: Solve for x
    x = 58,108,275,157.42/274,344.14
  6. Step 6: Final answer
    x = 211,807.97

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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.