Home / 424,394.07-636,581.85-199,629.92

Finding the Fourth Proportional to 424,394.07, 636,581.85 and 199,629.92

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Solution

The fourth proportional to 424,394.07, 636,581.85 and 199,629.92 is: 299,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,394.07 : 636,581.85 = 199,629.92 : x
  2. Step 2: Convert to fraction form
    424,394.07/636,581.85 = 199,629.92/x
  3. Step 3: Cross multiply
    424,394.07x = 636,581.85 × 199,629.92
  4. Step 4: Simplify right side
    424,394.07x = 127,080,780,606.04
  5. Step 5: Solve for x
    x = 127,080,780,606.04/424,394.07
  6. Step 6: Final answer
    x = 299,440.52

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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.