Home / 298,307.12-447,456.62-108,809.24

Finding the Fourth Proportional to 298,307.12, 447,456.62 and 108,809.24

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Solution

The fourth proportional to 298,307.12, 447,456.62 and 108,809.24 is: 163,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,307.12 : 447,456.62 = 108,809.24 : x
  2. Step 2: Convert to fraction form
    298,307.12/447,456.62 = 108,809.24/x
  3. Step 3: Cross multiply
    298,307.12x = 447,456.62 × 108,809.24
  4. Step 4: Simplify right side
    298,307.12x = 48,687,412,789.91
  5. Step 5: Solve for x
    x = 48,687,412,789.91/298,307.12
  6. Step 6: Final answer
    x = 163,212.38

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1.5x scale

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.