Home / 423,269.46-635,111.73-198,648.14

Finding the Fourth Proportional to 423,269.46, 635,111.73 and 198,648.14

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Solution

The fourth proportional to 423,269.46, 635,111.73 and 198,648.14 is: 298,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,269.46 : 635,111.73 = 198,648.14 : x
  2. Step 2: Convert to fraction form
    423,269.46/635,111.73 = 198,648.14/x
  3. Step 3: Cross multiply
    423,269.46x = 635,111.73 × 198,648.14
  4. Step 4: Simplify right side
    423,269.46x = 126,163,760,681.12
  5. Step 5: Solve for x
    x = 126,163,760,681.12/423,269.46
  6. Step 6: Final answer
    x = 298,069.60

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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.