Home / 207,907.08-311,880.38-58,147.40

Finding the Fourth Proportional to 207,907.08, 311,880.38 and 58,147.40

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Solution

The fourth proportional to 207,907.08, 311,880.38 and 58,147.40 is: 87,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,907.08 : 311,880.38 = 58,147.40 : x
  2. Step 2: Convert to fraction form
    207,907.08/311,880.38 = 58,147.40/x
  3. Step 3: Cross multiply
    207,907.08x = 311,880.38 × 58,147.40
  4. Step 4: Simplify right side
    207,907.08x = 18,135,033,208.01
  5. Step 5: Solve for x
    x = 18,135,033,208.01/207,907.08
  6. Step 6: Final answer
    x = 87,226.63

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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.