Home / 399,719.32-599,564.68-100,202.36

Finding the Fourth Proportional to 399,719.32, 599,564.68 and 100,202.36

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Solution

The fourth proportional to 399,719.32, 599,564.68 and 100,202.36 is: 150,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,719.32 : 599,564.68 = 100,202.36 : x
  2. Step 2: Convert to fraction form
    399,719.32/599,564.68 = 100,202.36/x
  3. Step 3: Cross multiply
    399,719.32x = 599,564.68 × 100,202.36
  4. Step 4: Simplify right side
    399,719.32x = 60,077,795,908.64
  5. Step 5: Solve for x
    x = 60,077,795,908.64/399,719.32
  6. Step 6: Final answer
    x = 150,299.96

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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.