Home / 331,711.28-457,399.81-224,094.45

Finding the Fourth Proportional to 331,711.28, 457,399.81 and 224,094.45

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Solution

The fourth proportional to 331,711.28, 457,399.81 and 224,094.45 is: 309,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,711.28 : 457,399.81 = 224,094.45 : x
  2. Step 2: Convert to fraction form
    331,711.28/457,399.81 = 224,094.45/x
  3. Step 3: Cross multiply
    331,711.28x = 457,399.81 × 224,094.45
  4. Step 4: Simplify right side
    331,711.28x = 102,500,760,847.42
  5. Step 5: Solve for x
    x = 102,500,760,847.42/331,711.28
  6. Step 6: Final answer
    x = 309,005.96

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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.