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Finding the Fourth Proportional to 217,244.60, 325,850.70 and 90,852.20

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Solution

The fourth proportional to 217,244.60, 325,850.70 and 90,852.20 is: 136,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,244.60 : 325,850.70 = 90,852.20 : x
  2. Step 2: Convert to fraction form
    217,244.60/325,850.70 = 90,852.20/x
  3. Step 3: Cross multiply
    217,244.60x = 325,850.70 × 90,852.20
  4. Step 4: Simplify right side
    217,244.60x = 29,604,252,966.54
  5. Step 5: Solve for x
    x = 29,604,252,966.54/217,244.60
  6. Step 6: Final answer
    x = 136,271.53

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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.