Home / 380,371.03-524,918.49-208,286.26

Finding the Fourth Proportional to 380,371.03, 524,918.49 and 208,286.26

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Solution

The fourth proportional to 380,371.03, 524,918.49 and 208,286.26 is: 287,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,371.03 : 524,918.49 = 208,286.26 : x
  2. Step 2: Convert to fraction form
    380,371.03/524,918.49 = 208,286.26/x
  3. Step 3: Cross multiply
    380,371.03x = 524,918.49 × 208,286.26
  4. Step 4: Simplify right side
    380,371.03x = 109,333,309,086.95
  5. Step 5: Solve for x
    x = 109,333,309,086.95/380,371.03
  6. Step 6: Final answer
    x = 287,438.58

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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.