Home / 221,347.22-305,458.53-120,744.50

Finding the Fourth Proportional to 221,347.22, 305,458.53 and 120,744.50

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Solution

The fourth proportional to 221,347.22, 305,458.53 and 120,744.50 is: 166,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,347.22 : 305,458.53 = 120,744.50 : x
  2. Step 2: Convert to fraction form
    221,347.22/305,458.53 = 120,744.50/x
  3. Step 3: Cross multiply
    221,347.22x = 305,458.53 × 120,744.50
  4. Step 4: Simplify right side
    221,347.22x = 36,882,437,475.59
  5. Step 5: Solve for x
    x = 36,882,437,475.59/221,347.22
  6. Step 6: Final answer
    x = 166,627.06

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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.