Home / 672,001.70-1,008,002.55-198,691.70

Finding the Fourth Proportional to 672,001.70, 1,008,002.55 and 198,691.70

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Solution

The fourth proportional to 672,001.70, 1,008,002.55 and 198,691.70 is: 298,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,001.70 : 1,008,002.55 = 198,691.70 : x
  2. Step 2: Convert to fraction form
    672,001.70/1,008,002.55 = 198,691.70/x
  3. Step 3: Cross multiply
    672,001.70x = 1,008,002.55 × 198,691.70
  4. Step 4: Simplify right side
    672,001.70x = 200,281,740,263.84
  5. Step 5: Solve for x
    x = 200,281,740,263.84/672,001.70
  6. Step 6: Final answer
    x = 298,037.55

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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.