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Finding the Fourth Proportional to 260,808.30, 391,212.45 and 234,564.30

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Solution

The fourth proportional to 260,808.30, 391,212.45 and 234,564.30 is: 351,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,808.30 : 391,212.45 = 234,564.30 : x
  2. Step 2: Convert to fraction form
    260,808.30/391,212.45 = 234,564.30/x
  3. Step 3: Cross multiply
    260,808.30x = 391,212.45 × 234,564.30
  4. Step 4: Simplify right side
    260,808.30x = 91,764,474,485.54
  5. Step 5: Solve for x
    x = 91,764,474,485.54/260,808.30
  6. Step 6: Final answer
    x = 351,846.45

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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.