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Finding the Fourth Proportional to 243,567.30, 364,962.15 and 203,909.70

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Solution

The fourth proportional to 243,567.30, 364,962.15 and 203,909.70 is: 305,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,567.30 : 364,962.15 = 203,909.70 : x
  2. Step 2: Convert to fraction form
    243,567.30/364,962.15 = 203,909.70/x
  3. Step 3: Cross multiply
    243,567.30x = 364,962.15 × 203,909.70
  4. Step 4: Simplify right side
    243,567.30x = 74,419,322,517.86
  5. Step 5: Solve for x
    x = 74,419,322,517.86/243,567.30
  6. Step 6: Final answer
    x = 305,539.05

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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.