Home / 221,485.24-305,650.02-120,883.24

Finding the Fourth Proportional to 221,485.24, 305,650.02 and 120,883.24

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Solution

The fourth proportional to 221,485.24, 305,650.02 and 120,883.24 is: 166,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,485.24 : 305,650.02 = 120,883.24 : x
  2. Step 2: Convert to fraction form
    221,485.24/305,650.02 = 120,883.24/x
  3. Step 3: Cross multiply
    221,485.24x = 305,650.02 × 120,883.24
  4. Step 4: Simplify right side
    221,485.24x = 36,947,964,723.66
  5. Step 5: Solve for x
    x = 36,947,964,723.66/221,485.24
  6. Step 6: Final answer
    x = 166,819.08

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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.