Home / 351,405.20-484,457.16-222,279.44

Finding the Fourth Proportional to 351,405.20, 484,457.16 and 222,279.44

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Solution

The fourth proportional to 351,405.20, 484,457.16 and 222,279.44 is: 306,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,405.20 : 484,457.16 = 222,279.44 : x
  2. Step 2: Convert to fraction form
    351,405.20/484,457.16 = 222,279.44/x
  3. Step 3: Cross multiply
    351,405.20x = 484,457.16 × 222,279.44
  4. Step 4: Simplify right side
    351,405.20x = 107,684,866,228.79
  5. Step 5: Solve for x
    x = 107,684,866,228.79/351,405.20
  6. Step 6: Final answer
    x = 306,440.73

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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.