Home / 348,076.90-521,617.20-198,000.10

Finding the Fourth Proportional to 348,076.90, 521,617.20 and 198,000.10

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Solution

The fourth proportional to 348,076.90, 521,617.20 and 198,000.10 is: 296,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,076.90 : 521,617.20 = 198,000.10 : x
  2. Step 2: Convert to fraction form
    348,076.90/521,617.20 = 198,000.10/x
  3. Step 3: Cross multiply
    348,076.90x = 521,617.20 × 198,000.10
  4. Step 4: Simplify right side
    348,076.90x = 103,280,257,761.72
  5. Step 5: Solve for x
    x = 103,280,257,761.72/348,076.90
  6. Step 6: Final answer
    x = 296,716.78

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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.