Home / 221,883.24-306,546.30-210,959.04

Finding the Fourth Proportional to 221,883.24, 306,546.30 and 210,959.04

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Solution

The fourth proportional to 221,883.24, 306,546.30 and 210,959.04 is: 291,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,883.24 : 306,546.30 = 210,959.04 : x
  2. Step 2: Convert to fraction form
    221,883.24/306,546.30 = 210,959.04/x
  3. Step 3: Cross multiply
    221,883.24x = 306,546.30 × 210,959.04
  4. Step 4: Simplify right side
    221,883.24x = 64,668,713,163.55
  5. Step 5: Solve for x
    x = 64,668,713,163.55/221,883.24
  6. Step 6: Final answer
    x = 291,453.80

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1.5x scale

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.