Home / 399,836.03-599,665.49-115,464.67

Finding the Fourth Proportional to 399,836.03, 599,665.49 and 115,464.67

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Solution

The fourth proportional to 399,836.03, 599,665.49 and 115,464.67 is: 173,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,836.03 : 599,665.49 = 115,464.67 : x
  2. Step 2: Convert to fraction form
    399,836.03/599,665.49 = 115,464.67/x
  3. Step 3: Cross multiply
    399,836.03x = 599,665.49 × 115,464.67
  4. Step 4: Simplify right side
    399,836.03x = 69,240,176,269.74
  5. Step 5: Solve for x
    x = 69,240,176,269.74/399,836.03
  6. Step 6: Final answer
    x = 173,171.43

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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.