Home / 469,268.92-647,247.09-308,065.15

Finding the Fourth Proportional to 469,268.92, 647,247.09 and 308,065.15

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Solution

The fourth proportional to 469,268.92, 647,247.09 and 308,065.15 is: 424,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,268.92 : 647,247.09 = 308,065.15 : x
  2. Step 2: Convert to fraction form
    469,268.92/647,247.09 = 308,065.15/x
  3. Step 3: Cross multiply
    469,268.92x = 647,247.09 × 308,065.15
  4. Step 4: Simplify right side
    469,268.92x = 199,394,271,867.91
  5. Step 5: Solve for x
    x = 199,394,271,867.91/469,268.92
  6. Step 6: Final answer
    x = 424,904.07

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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.