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Finding the Fourth Proportional to 218,466.39, 327,701.75 and 68,703.33

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Solution

The fourth proportional to 218,466.39, 327,701.75 and 68,703.33 is: 103,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,466.39 : 327,701.75 = 68,703.33 : x
  2. Step 2: Convert to fraction form
    218,466.39/327,701.75 = 68,703.33/x
  3. Step 3: Cross multiply
    218,466.39x = 327,701.75 × 68,703.33
  4. Step 4: Simplify right side
    218,466.39x = 22,514,201,128.31
  5. Step 5: Solve for x
    x = 22,514,201,128.31/218,466.39
  6. Step 6: Final answer
    x = 103,055.67

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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.