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Finding the Fourth Proportional to 366,645.20, 549,967.80 and 303,659.60

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Solution

The fourth proportional to 366,645.20, 549,967.80 and 303,659.60 is: 455,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,645.20 : 549,967.80 = 303,659.60 : x
  2. Step 2: Convert to fraction form
    366,645.20/549,967.80 = 303,659.60/x
  3. Step 3: Cross multiply
    366,645.20x = 549,967.80 × 303,659.60
  4. Step 4: Simplify right side
    366,645.20x = 167,003,002,160.88
  5. Step 5: Solve for x
    x = 167,003,002,160.88/366,645.20
  6. Step 6: Final answer
    x = 455,489.40

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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.