Home / 330,107.60-455,775.36-222,827.96

Finding the Fourth Proportional to 330,107.60, 455,775.36 and 222,827.96

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Solution

The fourth proportional to 330,107.60, 455,775.36 and 222,827.96 is: 307,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,107.60 : 455,775.36 = 222,827.96 : x
  2. Step 2: Convert to fraction form
    330,107.60/455,775.36 = 222,827.96/x
  3. Step 3: Cross multiply
    330,107.60x = 455,775.36 × 222,827.96
  4. Step 4: Simplify right side
    330,107.60x = 101,559,493,990.90
  5. Step 5: Solve for x
    x = 101,559,493,990.90/330,107.60
  6. Step 6: Final answer
    x = 307,655.73

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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.