Home / 307,234.20-460,851.30-305,265.90

Finding the Fourth Proportional to 307,234.20, 460,851.30 and 305,265.90

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Solution

The fourth proportional to 307,234.20, 460,851.30 and 305,265.90 is: 457,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,234.20 : 460,851.30 = 305,265.90 : x
  2. Step 2: Convert to fraction form
    307,234.20/460,851.30 = 305,265.90/x
  3. Step 3: Cross multiply
    307,234.20x = 460,851.30 × 305,265.90
  4. Step 4: Simplify right side
    307,234.20x = 140,682,186,860.67
  5. Step 5: Solve for x
    x = 140,682,186,860.67/307,234.20
  6. Step 6: Final answer
    x = 457,898.85

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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.