Home / 221,489.88-305,549.66-144,975.26

Finding the Fourth Proportional to 221,489.88, 305,549.66 and 144,975.26

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Solution

The fourth proportional to 221,489.88, 305,549.66 and 144,975.26 is: 199,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,489.88 : 305,549.66 = 144,975.26 : x
  2. Step 2: Convert to fraction form
    221,489.88/305,549.66 = 144,975.26/x
  3. Step 3: Cross multiply
    221,489.88x = 305,549.66 × 144,975.26
  4. Step 4: Simplify right side
    221,489.88x = 44,297,139,148.79
  5. Step 5: Solve for x
    x = 44,297,139,148.79/221,489.88
  6. Step 6: Final answer
    x = 199,996.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.