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Finding the Fourth Proportional to 223,609.51, 335,448.27 and 73,865.62

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Solution

The fourth proportional to 223,609.51, 335,448.27 and 73,865.62 is: 110,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,609.51 : 335,448.27 = 73,865.62 : x
  2. Step 2: Convert to fraction form
    223,609.51/335,448.27 = 73,865.62/x
  3. Step 3: Cross multiply
    223,609.51x = 335,448.27 × 73,865.62
  4. Step 4: Simplify right side
    223,609.51x = 24,778,094,441.48
  5. Step 5: Solve for x
    x = 24,778,094,441.48/223,609.51
  6. Step 6: Final answer
    x = 110,809.66

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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.