Home / 217,300.20-326,339.10-210,301.80

Finding the Fourth Proportional to 217,300.20, 326,339.10 and 210,301.80

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Solution

The fourth proportional to 217,300.20, 326,339.10 and 210,301.80 is: 315,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,300.20 : 326,339.10 = 210,301.80 : x
  2. Step 2: Convert to fraction form
    217,300.20/326,339.10 = 210,301.80/x
  3. Step 3: Cross multiply
    217,300.20x = 326,339.10 × 210,301.80
  4. Step 4: Simplify right side
    217,300.20x = 68,629,700,140.38
  5. Step 5: Solve for x
    x = 68,629,700,140.38/217,300.20
  6. Step 6: Final answer
    x = 315,828.98

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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.