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Finding the Fourth Proportional to 243,790.40, 364,972.80 and 173,806.40

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Solution

The fourth proportional to 243,790.40, 364,972.80 and 173,806.40 is: 260,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,790.40 : 364,972.80 = 173,806.40 : x
  2. Step 2: Convert to fraction form
    243,790.40/364,972.80 = 173,806.40/x
  3. Step 3: Cross multiply
    243,790.40x = 364,972.80 × 173,806.40
  4. Step 4: Simplify right side
    243,790.40x = 63,434,608,465.92
  5. Step 5: Solve for x
    x = 63,434,608,465.92/243,790.40
  6. Step 6: Final answer
    x = 260,201.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.