Home / 499,672.20-689,542.02-273,315

Finding the Fourth Proportional to 499,672.20, 689,542.02 and 273,315

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Solution

The fourth proportional to 499,672.20, 689,542.02 and 273,315 is: 377,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,672.20 : 689,542.02 = 273,315 : x
  2. Step 2: Convert to fraction form
    499,672.20/689,542.02 = 273,315/x
  3. Step 3: Cross multiply
    499,672.20x = 689,542.02 × 273,315
  4. Step 4: Simplify right side
    499,672.20x = 188,462,177,196.30
  5. Step 5: Solve for x
    x = 188,462,177,196.30/499,672.20
  6. Step 6: Final answer
    x = 377,171.63

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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.