Home / 247,206.38-370,589.65-89,399.75

Finding the Fourth Proportional to 247,206.38, 370,589.65 and 89,399.75

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Solution

The fourth proportional to 247,206.38, 370,589.65 and 89,399.75 is: 134,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.38 : 370,589.65 = 89,399.75 : x
  2. Step 2: Convert to fraction form
    247,206.38/370,589.65 = 89,399.75/x
  3. Step 3: Cross multiply
    247,206.38x = 370,589.65 × 89,399.75
  4. Step 4: Simplify right side
    247,206.38x = 33,130,619,986.14
  5. Step 5: Solve for x
    x = 33,130,619,986.14/247,206.38
  6. Step 6: Final answer
    x = 134,020.09

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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.