Home / 671,981.70-1,007,972.55-198,671.70

Finding the Fourth Proportional to 671,981.70, 1,007,972.55 and 198,671.70

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Solution

The fourth proportional to 671,981.70, 1,007,972.55 and 198,671.70 is: 298,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,981.70 : 1,007,972.55 = 198,671.70 : x
  2. Step 2: Convert to fraction form
    671,981.70/1,007,972.55 = 198,671.70/x
  3. Step 3: Cross multiply
    671,981.70x = 1,007,972.55 × 198,671.70
  4. Step 4: Simplify right side
    671,981.70x = 200,255,620,061.84
  5. Step 5: Solve for x
    x = 200,255,620,061.84/671,981.70
  6. Step 6: Final answer
    x = 298,007.55

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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.