Home / 312,982.79-432,083.70-244,855.04

Finding the Fourth Proportional to 312,982.79, 432,083.70 and 244,855.04

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Solution

The fourth proportional to 312,982.79, 432,083.70 and 244,855.04 is: 338,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,982.79 : 432,083.70 = 244,855.04 : x
  2. Step 2: Convert to fraction form
    312,982.79/432,083.70 = 244,855.04/x
  3. Step 3: Cross multiply
    312,982.79x = 432,083.70 × 244,855.04
  4. Step 4: Simplify right side
    312,982.79x = 105,797,869,486.43
  5. Step 5: Solve for x
    x = 105,797,869,486.43/312,982.79
  6. Step 6: Final answer
    x = 338,030.95

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1.5x scale

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.