Home / 272,834.93-408,709.90-213,392.27

Finding the Fourth Proportional to 272,834.93, 408,709.90 and 213,392.27

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Solution

The fourth proportional to 272,834.93, 408,709.90 and 213,392.27 is: 319,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,834.93 : 408,709.90 = 213,392.27 : x
  2. Step 2: Convert to fraction form
    272,834.93/408,709.90 = 213,392.27/x
  3. Step 3: Cross multiply
    272,834.93x = 408,709.90 × 213,392.27
  4. Step 4: Simplify right side
    272,834.93x = 87,215,534,620.99
  5. Step 5: Solve for x
    x = 87,215,534,620.99/272,834.93
  6. Step 6: Final answer
    x = 319,664.11

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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.