Home / 198,622.80-297,934.20-197,456.40

Finding the Fourth Proportional to 198,622.80, 297,934.20 and 197,456.40

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Solution

The fourth proportional to 198,622.80, 297,934.20 and 197,456.40 is: 296,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,622.80 : 297,934.20 = 197,456.40 : x
  2. Step 2: Convert to fraction form
    198,622.80/297,934.20 = 197,456.40/x
  3. Step 3: Cross multiply
    198,622.80x = 297,934.20 × 197,456.40
  4. Step 4: Simplify right side
    198,622.80x = 58,829,014,568.88
  5. Step 5: Solve for x
    x = 58,829,014,568.88/198,622.80
  6. Step 6: Final answer
    x = 296,184.60

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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.