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Finding the Fourth Proportional to 260,173.32, 359,046.18 and 146,993.64

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Solution

The fourth proportional to 260,173.32, 359,046.18 and 146,993.64 is: 202,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,173.32 : 359,046.18 = 146,993.64 : x
  2. Step 2: Convert to fraction form
    260,173.32/359,046.18 = 146,993.64/x
  3. Step 3: Cross multiply
    260,173.32x = 359,046.18 × 146,993.64
  4. Step 4: Simplify right side
    260,173.32x = 52,777,504,926.30
  5. Step 5: Solve for x
    x = 52,777,504,926.30/260,173.32
  6. Step 6: Final answer
    x = 202,855.18

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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.