Home / 414,390.35-621,523.93-114,839.70

Finding the Fourth Proportional to 414,390.35, 621,523.93 and 114,839.70

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Solution

The fourth proportional to 414,390.35, 621,523.93 and 114,839.70 is: 172,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,390.35 : 621,523.93 = 114,839.70 : x
  2. Step 2: Convert to fraction form
    414,390.35/621,523.93 = 114,839.70/x
  3. Step 3: Cross multiply
    414,390.35x = 621,523.93 × 114,839.70
  4. Step 4: Simplify right side
    414,390.35x = 71,375,621,664.02
  5. Step 5: Solve for x
    x = 71,375,621,664.02/414,390.35
  6. Step 6: Final answer
    x = 172,242.48

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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.