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Finding the Fourth Proportional to 223,186.68, 334,708.74 and 73,392.57

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Solution

The fourth proportional to 223,186.68, 334,708.74 and 73,392.57 is: 110,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,186.68 : 334,708.74 = 73,392.57 : x
  2. Step 2: Convert to fraction form
    223,186.68/334,708.74 = 73,392.57/x
  3. Step 3: Cross multiply
    223,186.68x = 334,708.74 × 73,392.57
  4. Step 4: Simplify right side
    223,186.68x = 24,565,134,630.06
  5. Step 5: Solve for x
    x = 24,565,134,630.06/223,186.68
  6. Step 6: Final answer
    x = 110,065.42

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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.