Home / 414,219.32-621,330.60-126,033.84

Finding the Fourth Proportional to 414,219.32, 621,330.60 and 126,033.84

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Solution

The fourth proportional to 414,219.32, 621,330.60 and 126,033.84 is: 189,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,219.32 : 621,330.60 = 126,033.84 : x
  2. Step 2: Convert to fraction form
    414,219.32/621,330.60 = 126,033.84/x
  3. Step 3: Cross multiply
    414,219.32x = 621,330.60 × 126,033.84
  4. Step 4: Simplify right side
    414,219.32x = 78,308,681,427.50
  5. Step 5: Solve for x
    x = 78,308,681,427.50/414,219.32
  6. Step 6: Final answer
    x = 189,051.25

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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.