Home / 378,288.39-567,568.10-162,056.42

Finding the Fourth Proportional to 378,288.39, 567,568.10 and 162,056.42

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Solution

The fourth proportional to 378,288.39, 567,568.10 and 162,056.42 is: 243,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,288.39 : 567,568.10 = 162,056.42 : x
  2. Step 2: Convert to fraction form
    378,288.39/567,568.10 = 162,056.42/x
  3. Step 3: Cross multiply
    378,288.39x = 567,568.10 × 162,056.42
  4. Step 4: Simplify right side
    378,288.39x = 91,978,050,744.08
  5. Step 5: Solve for x
    x = 91,978,050,744.08/378,288.39
  6. Step 6: Final answer
    x = 243,142.67

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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.