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Finding the Fourth Proportional to 198,510.80, 297,766.20 and 169,970.45

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Solution

The fourth proportional to 198,510.80, 297,766.20 and 169,970.45 is: 254,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.80 : 297,766.20 = 169,970.45 : x
  2. Step 2: Convert to fraction form
    198,510.80/297,766.20 = 169,970.45/x
  3. Step 3: Cross multiply
    198,510.80x = 297,766.20 × 169,970.45
  4. Step 4: Simplify right side
    198,510.80x = 50,611,455,008.79
  5. Step 5: Solve for x
    x = 50,611,455,008.79/198,510.80
  6. Step 6: Final answer
    x = 254,955.68

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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.