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Finding the Fourth Proportional to 366,627.86, 549,232.42 and 206,216.48

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Solution

The fourth proportional to 366,627.86, 549,232.42 and 206,216.48 is: 308,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,627.86 : 549,232.42 = 206,216.48 : x
  2. Step 2: Convert to fraction form
    366,627.86/549,232.42 = 206,216.48/x
  3. Step 3: Cross multiply
    366,627.86x = 549,232.42 × 206,216.48
  4. Step 4: Simplify right side
    366,627.86x = 113,260,776,354.28
  5. Step 5: Solve for x
    x = 113,260,776,354.28/366,627.86
  6. Step 6: Final answer
    x = 308,925.72

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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.