Home / 203,742.22-305,814.47-152,964.64

Finding the Fourth Proportional to 203,742.22, 305,814.47 and 152,964.64

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Solution

The fourth proportional to 203,742.22, 305,814.47 and 152,964.64 is: 229,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,742.22 : 305,814.47 = 152,964.64 : x
  2. Step 2: Convert to fraction form
    203,742.22/305,814.47 = 152,964.64/x
  3. Step 3: Cross multiply
    203,742.22x = 305,814.47 × 152,964.64
  4. Step 4: Simplify right side
    203,742.22x = 46,778,800,310.34
  5. Step 5: Solve for x
    x = 46,778,800,310.34/203,742.22
  6. Step 6: Final answer
    x = 229,597.97

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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.