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Finding the Fourth Proportional to 243,016.60, 364,524.90 and 204,525.40

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Solution

The fourth proportional to 243,016.60, 364,524.90 and 204,525.40 is: 306,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,016.60 : 364,524.90 = 204,525.40 : x
  2. Step 2: Convert to fraction form
    243,016.60/364,524.90 = 204,525.40/x
  3. Step 3: Cross multiply
    243,016.60x = 364,524.90 × 204,525.40
  4. Step 4: Simplify right side
    243,016.60x = 74,554,600,982.46
  5. Step 5: Solve for x
    x = 74,554,600,982.46/243,016.60
  6. Step 6: Final answer
    x = 306,788.10

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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.