Home / 217,209.86-325,869.05-153,292.80

Finding the Fourth Proportional to 217,209.86, 325,869.05 and 153,292.80

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Solution

The fourth proportional to 217,209.86, 325,869.05 and 153,292.80 is: 229,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,209.86 : 325,869.05 = 153,292.80 : x
  2. Step 2: Convert to fraction form
    217,209.86/325,869.05 = 153,292.80/x
  3. Step 3: Cross multiply
    217,209.86x = 325,869.05 × 153,292.80
  4. Step 4: Simplify right side
    217,209.86x = 49,953,378,269.06
  5. Step 5: Solve for x
    x = 49,953,378,269.06/217,209.86
  6. Step 6: Final answer
    x = 229,977.49

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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.