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Finding the Fourth Proportional to 218,073.60, 327,110.40 and 190,425.60

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Solution

The fourth proportional to 218,073.60, 327,110.40 and 190,425.60 is: 285,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073.60 : 327,110.40 = 190,425.60 : x
  2. Step 2: Convert to fraction form
    218,073.60/327,110.40 = 190,425.60/x
  3. Step 3: Cross multiply
    218,073.60x = 327,110.40 × 190,425.60
  4. Step 4: Simplify right side
    218,073.60x = 62,290,194,186.24
  5. Step 5: Solve for x
    x = 62,290,194,186.24/218,073.60
  6. Step 6: Final answer
    x = 285,638.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.