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Finding the Fourth Proportional to 515,720, 773,599.46 and 160,732.64

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Solution

The fourth proportional to 515,720, 773,599.46 and 160,732.64 is: 241,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,720 : 773,599.46 = 160,732.64 : x
  2. Step 2: Convert to fraction form
    515,720/773,599.46 = 160,732.64/x
  3. Step 3: Cross multiply
    515,720x = 773,599.46 × 160,732.64
  4. Step 4: Simplify right side
    515,720x = 124,342,683,508.37
  5. Step 5: Solve for x
    x = 124,342,683,508.37/515,720
  6. Step 6: Final answer
    x = 241,105.03

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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.