Home / 494,728.64-742,123.74-179,188.28

Finding the Fourth Proportional to 494,728.64, 742,123.74 and 179,188.28

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Solution

The fourth proportional to 494,728.64, 742,123.74 and 179,188.28 is: 268,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,728.64 : 742,123.74 = 179,188.28 : x
  2. Step 2: Convert to fraction form
    494,728.64/742,123.74 = 179,188.28/x
  3. Step 3: Cross multiply
    494,728.64x = 742,123.74 × 179,188.28
  4. Step 4: Simplify right side
    494,728.64x = 132,979,871,911.21
  5. Step 5: Solve for x
    x = 132,979,871,911.21/494,728.64
  6. Step 6: Final answer
    x = 268,793.56

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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.