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Finding the Fourth Proportional to 198,600.10, 273,804.78 and 164,482.90

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Solution

The fourth proportional to 198,600.10, 273,804.78 and 164,482.90 is: 226,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,600.10 : 273,804.78 = 164,482.90 : x
  2. Step 2: Convert to fraction form
    198,600.10/273,804.78 = 164,482.90/x
  3. Step 3: Cross multiply
    198,600.10x = 273,804.78 × 164,482.90
  4. Step 4: Simplify right side
    198,600.10x = 45,036,204,248.26
  5. Step 5: Solve for x
    x = 45,036,204,248.26/198,600.10
  6. Step 6: Final answer
    x = 226,768.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.