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Finding the Fourth Proportional to 243,317.62, 364,891.89 and 135,411.64

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Solution

The fourth proportional to 243,317.62, 364,891.89 and 135,411.64 is: 203,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,317.62 : 364,891.89 = 135,411.64 : x
  2. Step 2: Convert to fraction form
    243,317.62/364,891.89 = 135,411.64/x
  3. Step 3: Cross multiply
    243,317.62x = 364,891.89 × 135,411.64
  4. Step 4: Simplify right side
    243,317.62x = 49,410,609,247.60
  5. Step 5: Solve for x
    x = 49,410,609,247.60/243,317.62
  6. Step 6: Final answer
    x = 203,070.41

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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.