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Finding the Fourth Proportional to 366,405.42, 549,608.59 and 100,168.25

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Solution

The fourth proportional to 366,405.42, 549,608.59 and 100,168.25 is: 150,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,405.42 : 549,608.59 = 100,168.25 : x
  2. Step 2: Convert to fraction form
    366,405.42/549,608.59 = 100,168.25/x
  3. Step 3: Cross multiply
    366,405.42x = 549,608.59 × 100,168.25
  4. Step 4: Simplify right side
    366,405.42x = 55,053,328,022.43
  5. Step 5: Solve for x
    x = 55,053,328,022.43/366,405.42
  6. Step 6: Final answer
    x = 150,252.49

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1.5x scale

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.