Home / 307,724.85-461,635.88-130,232.79

Finding the Fourth Proportional to 307,724.85, 461,635.88 and 130,232.79

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Solution

The fourth proportional to 307,724.85, 461,635.88 and 130,232.79 is: 195,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,724.85 : 461,635.88 = 130,232.79 : x
  2. Step 2: Convert to fraction form
    307,724.85/461,635.88 = 130,232.79/x
  3. Step 3: Cross multiply
    307,724.85x = 461,635.88 × 130,232.79
  4. Step 4: Simplify right side
    307,724.85x = 60,120,127,965.34
  5. Step 5: Solve for x
    x = 60,120,127,965.34/307,724.85
  6. Step 6: Final answer
    x = 195,369.75

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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.