Home / 294,786.57-406,755.75-165,708

Finding the Fourth Proportional to 294,786.57, 406,755.75 and 165,708

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Solution

The fourth proportional to 294,786.57, 406,755.75 and 165,708 is: 228,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,786.57 : 406,755.75 = 165,708 : x
  2. Step 2: Convert to fraction form
    294,786.57/406,755.75 = 165,708/x
  3. Step 3: Cross multiply
    294,786.57x = 406,755.75 × 165,708
  4. Step 4: Simplify right side
    294,786.57x = 67,402,681,821
  5. Step 5: Solve for x
    x = 67,402,681,821/294,786.57
  6. Step 6: Final answer
    x = 228,649.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.