Home / 414,204.77-621,308.67-126,019.22

Finding the Fourth Proportional to 414,204.77, 621,308.67 and 126,019.22

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Solution

The fourth proportional to 414,204.77, 621,308.67 and 126,019.22 is: 189,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,204.77 : 621,308.67 = 126,019.22 : x
  2. Step 2: Convert to fraction form
    414,204.77/621,308.67 = 126,019.22/x
  3. Step 3: Cross multiply
    414,204.77x = 621,308.67 × 126,019.22
  4. Step 4: Simplify right side
    414,204.77x = 78,296,833,972.64
  5. Step 5: Solve for x
    x = 78,296,833,972.64/414,204.77
  6. Step 6: Final answer
    x = 189,029.29

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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.