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Finding the Fourth Proportional to 366,954.80, 549,913.80 and 271,439.60

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Solution

The fourth proportional to 366,954.80, 549,913.80 and 271,439.60 is: 406,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,954.80 : 549,913.80 = 271,439.60 : x
  2. Step 2: Convert to fraction form
    366,954.80/549,913.80 = 271,439.60/x
  3. Step 3: Cross multiply
    366,954.80x = 549,913.80 × 271,439.60
  4. Step 4: Simplify right side
    366,954.80x = 149,268,381,906.48
  5. Step 5: Solve for x
    x = 149,268,381,906.48/366,954.80
  6. Step 6: Final answer
    x = 406,775.94

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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.