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Finding the Fourth Proportional to 224,842.25, 310,313.95 and 143,144.41

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Solution

The fourth proportional to 224,842.25, 310,313.95 and 143,144.41 is: 197,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,842.25 : 310,313.95 = 143,144.41 : x
  2. Step 2: Convert to fraction form
    224,842.25/310,313.95 = 143,144.41/x
  3. Step 3: Cross multiply
    224,842.25x = 310,313.95 × 143,144.41
  4. Step 4: Simplify right side
    224,842.25x = 44,419,706,869.60
  5. Step 5: Solve for x
    x = 44,419,706,869.60/224,842.25
  6. Step 6: Final answer
    x = 197,559.43

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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.