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Finding the Fourth Proportional to 217,252.40, 325,878.60 and 198,006.80

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Solution

The fourth proportional to 217,252.40, 325,878.60 and 198,006.80 is: 297,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,252.40 : 325,878.60 = 198,006.80 : x
  2. Step 2: Convert to fraction form
    217,252.40/325,878.60 = 198,006.80/x
  3. Step 3: Cross multiply
    217,252.40x = 325,878.60 × 198,006.80
  4. Step 4: Simplify right side
    217,252.40x = 64,526,178,774.48
  5. Step 5: Solve for x
    x = 64,526,178,774.48/217,252.40
  6. Step 6: Final answer
    x = 297,010.20

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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.