Home / 284,774.40-393,249.60-228,597.12

Finding the Fourth Proportional to 284,774.40, 393,249.60 and 228,597.12

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Solution

The fourth proportional to 284,774.40, 393,249.60 and 228,597.12 is: 315,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,774.40 : 393,249.60 = 228,597.12 : x
  2. Step 2: Convert to fraction form
    284,774.40/393,249.60 = 228,597.12/x
  3. Step 3: Cross multiply
    284,774.40x = 393,249.60 × 228,597.12
  4. Step 4: Simplify right side
    284,774.40x = 89,895,726,001.15
  5. Step 5: Solve for x
    x = 89,895,726,001.15/284,774.40
  6. Step 6: Final answer
    x = 315,673.48

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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.