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Finding the Fourth Proportional to 366,922.80, 549,865.80 and 271,407.60

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Solution

The fourth proportional to 366,922.80, 549,865.80 and 271,407.60 is: 406,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,922.80 : 549,865.80 = 271,407.60 : x
  2. Step 2: Convert to fraction form
    366,922.80/549,865.80 = 271,407.60/x
  3. Step 3: Cross multiply
    366,922.80x = 549,865.80 × 271,407.60
  4. Step 4: Simplify right side
    366,922.80x = 149,237,757,100.08
  5. Step 5: Solve for x
    x = 149,237,757,100.08/366,922.80
  6. Step 6: Final answer
    x = 406,727.95

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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.