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Finding the Fourth Proportional to 341,447.80, 512,171.70 and 163,863.40

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Solution

The fourth proportional to 341,447.80, 512,171.70 and 163,863.40 is: 245,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,447.80 : 512,171.70 = 163,863.40 : x
  2. Step 2: Convert to fraction form
    341,447.80/512,171.70 = 163,863.40/x
  3. Step 3: Cross multiply
    341,447.80x = 512,171.70 × 163,863.40
  4. Step 4: Simplify right side
    341,447.80x = 83,926,196,145.78
  5. Step 5: Solve for x
    x = 83,926,196,145.78/341,447.80
  6. Step 6: Final answer
    x = 245,795.10

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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.