Home / 414,318.72-621,486.18-130,003.32

Finding the Fourth Proportional to 414,318.72, 621,486.18 and 130,003.32

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Solution

The fourth proportional to 414,318.72, 621,486.18 and 130,003.32 is: 195,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,318.72 : 621,486.18 = 130,003.32 : x
  2. Step 2: Convert to fraction form
    414,318.72/621,486.18 = 130,003.32/x
  3. Step 3: Cross multiply
    414,318.72x = 621,486.18 × 130,003.32
  4. Step 4: Simplify right side
    414,318.72x = 80,795,266,734.12
  5. Step 5: Solve for x
    x = 80,795,266,734.12/414,318.72
  6. Step 6: Final answer
    x = 195,007.52

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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.