Home / 331,258.20-496,887.30-295,315.80

Finding the Fourth Proportional to 331,258.20, 496,887.30 and 295,315.80

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Solution

The fourth proportional to 331,258.20, 496,887.30 and 295,315.80 is: 442,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,258.20 : 496,887.30 = 295,315.80 : x
  2. Step 2: Convert to fraction form
    331,258.20/496,887.30 = 295,315.80/x
  3. Step 3: Cross multiply
    331,258.20x = 496,887.30 × 295,315.80
  4. Step 4: Simplify right side
    331,258.20x = 146,738,670,509.34
  5. Step 5: Solve for x
    x = 146,738,670,509.34/331,258.20
  6. Step 6: Final answer
    x = 442,973.70

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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.