Home / 331,247.80-496,434.30-293,631.40

Finding the Fourth Proportional to 331,247.80, 496,434.30 and 293,631.40

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Solution

The fourth proportional to 331,247.80, 496,434.30 and 293,631.40 is: 440,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,247.80 : 496,434.30 = 293,631.40 : x
  2. Step 2: Convert to fraction form
    331,247.80/496,434.30 = 293,631.40/x
  3. Step 3: Cross multiply
    331,247.80x = 496,434.30 × 293,631.40
  4. Step 4: Simplify right side
    331,247.80x = 145,768,698,517.02
  5. Step 5: Solve for x
    x = 145,768,698,517.02/331,247.80
  6. Step 6: Final answer
    x = 440,059.37

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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.