Home / 380,286.59-524,801.73-208,201.70

Finding the Fourth Proportional to 380,286.59, 524,801.73 and 208,201.70

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Solution

The fourth proportional to 380,286.59, 524,801.73 and 208,201.70 is: 287,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,286.59 : 524,801.73 = 208,201.70 : x
  2. Step 2: Convert to fraction form
    380,286.59/524,801.73 = 208,201.70/x
  3. Step 3: Cross multiply
    380,286.59x = 524,801.73 × 208,201.70
  4. Step 4: Simplify right side
    380,286.59x = 109,264,612,348.94
  5. Step 5: Solve for x
    x = 109,264,612,348.94/380,286.59
  6. Step 6: Final answer
    x = 287,321.76

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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.