Home / 426,541.99-639,811.17-173,766.10

Finding the Fourth Proportional to 426,541.99, 639,811.17 and 173,766.10

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Solution

The fourth proportional to 426,541.99, 639,811.17 and 173,766.10 is: 260,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,541.99 : 639,811.17 = 173,766.10 : x
  2. Step 2: Convert to fraction form
    426,541.99/639,811.17 = 173,766.10/x
  3. Step 3: Cross multiply
    426,541.99x = 639,811.17 × 173,766.10
  4. Step 4: Simplify right side
    426,541.99x = 111,177,491,747.34
  5. Step 5: Solve for x
    x = 111,177,491,747.34/426,541.99
  6. Step 6: Final answer
    x = 260,648.41

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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.