Home / 414,201.26-621,303.41-126,015.72

Finding the Fourth Proportional to 414,201.26, 621,303.41 and 126,015.72

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Solution

The fourth proportional to 414,201.26, 621,303.41 and 126,015.72 is: 189,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,201.26 : 621,303.41 = 126,015.72 : x
  2. Step 2: Convert to fraction form
    414,201.26/621,303.41 = 126,015.72/x
  3. Step 3: Cross multiply
    414,201.26x = 621,303.41 × 126,015.72
  4. Step 4: Simplify right side
    414,201.26x = 78,293,994,534.76
  5. Step 5: Solve for x
    x = 78,293,994,534.76/414,201.26
  6. Step 6: Final answer
    x = 189,024.04

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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.