Home / 255,363.44-352,072.12-209,251.60

Finding the Fourth Proportional to 255,363.44, 352,072.12 and 209,251.60

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Solution

The fourth proportional to 255,363.44, 352,072.12 and 209,251.60 is: 288,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,363.44 : 352,072.12 = 209,251.60 : x
  2. Step 2: Convert to fraction form
    255,363.44/352,072.12 = 209,251.60/x
  3. Step 3: Cross multiply
    255,363.44x = 352,072.12 × 209,251.60
  4. Step 4: Simplify right side
    255,363.44x = 73,671,654,425.39
  5. Step 5: Solve for x
    x = 73,671,654,425.39/255,363.44
  6. Step 6: Final answer
    x = 288,497.27

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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.