Home / 380,431.44-524,991.60-206,000.82

Finding the Fourth Proportional to 380,431.44, 524,991.60 and 206,000.82

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Solution

The fourth proportional to 380,431.44, 524,991.60 and 206,000.82 is: 284,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,431.44 : 524,991.60 = 206,000.82 : x
  2. Step 2: Convert to fraction form
    380,431.44/524,991.60 = 206,000.82/x
  3. Step 3: Cross multiply
    380,431.44x = 524,991.60 × 206,000.82
  4. Step 4: Simplify right side
    380,431.44x = 108,148,700,093.11
  5. Step 5: Solve for x
    x = 108,148,700,093.11/380,431.44
  6. Step 6: Final answer
    x = 284,279.08

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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.