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Finding the Fourth Proportional to 283,334.88, 391,003.56 and 162,480.72

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Solution

The fourth proportional to 283,334.88, 391,003.56 and 162,480.72 is: 224,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,334.88 : 391,003.56 = 162,480.72 : x
  2. Step 2: Convert to fraction form
    283,334.88/391,003.56 = 162,480.72/x
  3. Step 3: Cross multiply
    283,334.88x = 391,003.56 × 162,480.72
  4. Step 4: Simplify right side
    283,334.88x = 63,530,539,951.36
  5. Step 5: Solve for x
    x = 63,530,539,951.36/283,334.88
  6. Step 6: Final answer
    x = 224,224.21

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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.