Home / 414,257.64-621,190.14-144,291.60

Finding the Fourth Proportional to 414,257.64, 621,190.14 and 144,291.60

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Solution

The fourth proportional to 414,257.64, 621,190.14 and 144,291.60 is: 216,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,257.64 : 621,190.14 = 144,291.60 : x
  2. Step 2: Convert to fraction form
    414,257.64/621,190.14 = 144,291.60/x
  3. Step 3: Cross multiply
    414,257.64x = 621,190.14 × 144,291.60
  4. Step 4: Simplify right side
    414,257.64x = 89,632,519,204.82
  5. Step 5: Solve for x
    x = 89,632,519,204.82/414,257.64
  6. Step 6: Final answer
    x = 216,369.02

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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.