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Finding the Fourth Proportional to 368,352.95, 552,529.58 and 165,712.37

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Solution

The fourth proportional to 368,352.95, 552,529.58 and 165,712.37 is: 248,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,352.95 : 552,529.58 = 165,712.37 : x
  2. Step 2: Convert to fraction form
    368,352.95/552,529.58 = 165,712.37/x
  3. Step 3: Cross multiply
    368,352.95x = 552,529.58 × 165,712.37
  4. Step 4: Simplify right side
    368,352.95x = 91,560,982,605.69
  5. Step 5: Solve for x
    x = 91,560,982,605.69/368,352.95
  6. Step 6: Final answer
    x = 248,568.62

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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.