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Finding the Fourth Proportional to 243,418.10, 364,800.77 and 189,447.97

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Solution

The fourth proportional to 243,418.10, 364,800.77 and 189,447.97 is: 283,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,418.10 : 364,800.77 = 189,447.97 : x
  2. Step 2: Convert to fraction form
    243,418.10/364,800.77 = 189,447.97/x
  3. Step 3: Cross multiply
    243,418.10x = 364,800.77 × 189,447.97
  4. Step 4: Simplify right side
    243,418.10x = 69,110,763,980.55
  5. Step 5: Solve for x
    x = 69,110,763,980.55/243,418.10
  6. Step 6: Final answer
    x = 283,917.94

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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.