Home / 307,086.40-459,589.20-188,832.64

Finding the Fourth Proportional to 307,086.40, 459,589.20 and 188,832.64

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Solution

The fourth proportional to 307,086.40, 459,589.20 and 188,832.64 is: 282,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,086.40 : 459,589.20 = 188,832.64 : x
  2. Step 2: Convert to fraction form
    307,086.40/459,589.20 = 188,832.64/x
  3. Step 3: Cross multiply
    307,086.40x = 459,589.20 × 188,832.64
  4. Step 4: Simplify right side
    307,086.40x = 86,785,441,951.49
  5. Step 5: Solve for x
    x = 86,785,441,951.49/307,086.40
  6. Step 6: Final answer
    x = 282,609.20

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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.