Home / 217,749.85-326,624.63-68,002.98

Finding the Fourth Proportional to 217,749.85, 326,624.63 and 68,002.98

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Solution

The fourth proportional to 217,749.85, 326,624.63 and 68,002.98 is: 102,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.85 : 326,624.63 = 68,002.98 : x
  2. Step 2: Convert to fraction form
    217,749.85/326,624.63 = 68,002.98/x
  3. Step 3: Cross multiply
    217,749.85x = 326,624.63 × 68,002.98
  4. Step 4: Simplify right side
    217,749.85x = 22,211,446,208.26
  5. Step 5: Solve for x
    x = 22,211,446,208.26/217,749.85
  6. Step 6: Final answer
    x = 102,004.41

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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.