Home / 284,288.45-391,850.84-201,530.63

Finding the Fourth Proportional to 284,288.45, 391,850.84 and 201,530.63

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Solution

The fourth proportional to 284,288.45, 391,850.84 and 201,530.63 is: 277,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,288.45 : 391,850.84 = 201,530.63 : x
  2. Step 2: Convert to fraction form
    284,288.45/391,850.84 = 201,530.63/x
  3. Step 3: Cross multiply
    284,288.45x = 391,850.84 × 201,530.63
  4. Step 4: Simplify right side
    284,288.45x = 78,969,943,684.32
  5. Step 5: Solve for x
    x = 78,969,943,684.32/284,288.45
  6. Step 6: Final answer
    x = 277,781.05

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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.