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Finding the Fourth Proportional to 515,721, 773,600.96 and 160,733.64

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Solution

The fourth proportional to 515,721, 773,600.96 and 160,733.64 is: 241,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,721 : 773,600.96 = 160,733.64 : x
  2. Step 2: Convert to fraction form
    515,721/773,600.96 = 160,733.64/x
  3. Step 3: Cross multiply
    515,721x = 773,600.96 × 160,733.64
  4. Step 4: Simplify right side
    515,721x = 124,343,698,208.29
  5. Step 5: Solve for x
    x = 124,343,698,208.29/515,721
  6. Step 6: Final answer
    x = 241,106.53

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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.