Home / 219,495.07-329,430.09-156,469.37

Finding the Fourth Proportional to 219,495.07, 329,430.09 and 156,469.37

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Solution

The fourth proportional to 219,495.07, 329,430.09 and 156,469.37 is: 234,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,495.07 : 329,430.09 = 156,469.37 : x
  2. Step 2: Convert to fraction form
    219,495.07/329,430.09 = 156,469.37/x
  3. Step 3: Cross multiply
    219,495.07x = 329,430.09 × 156,469.37
  4. Step 4: Simplify right side
    219,495.07x = 51,545,718,553.86
  5. Step 5: Solve for x
    x = 51,545,718,553.86/219,495.07
  6. Step 6: Final answer
    x = 234,837.71

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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.