Home / 219,204.80-328,151.10-206,228.60

Finding the Fourth Proportional to 219,204.80, 328,151.10 and 206,228.60

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Solution

The fourth proportional to 219,204.80, 328,151.10 and 206,228.60 is: 308,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,204.80 : 328,151.10 = 206,228.60 : x
  2. Step 2: Convert to fraction form
    219,204.80/328,151.10 = 206,228.60/x
  3. Step 3: Cross multiply
    219,204.80x = 328,151.10 × 206,228.60
  4. Step 4: Simplify right side
    219,204.80x = 67,674,141,941.46
  5. Step 5: Solve for x
    x = 67,674,141,941.46/219,204.80
  6. Step 6: Final answer
    x = 308,725.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.