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Finding the Fourth Proportional to 262,794.74, 394,186.56 and 85,301.46

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Solution

The fourth proportional to 262,794.74, 394,186.56 and 85,301.46 is: 127,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,794.74 : 394,186.56 = 85,301.46 : x
  2. Step 2: Convert to fraction form
    262,794.74/394,186.56 = 85,301.46/x
  3. Step 3: Cross multiply
    262,794.74x = 394,186.56 × 85,301.46
  4. Step 4: Simplify right side
    262,794.74x = 33,624,689,080.38
  5. Step 5: Solve for x
    x = 33,624,689,080.38/262,794.74
  6. Step 6: Final answer
    x = 127,950.39

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1.5x scale

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.