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Finding the Fourth Proportional to 260,768.82, 359,848.52 and 160,147.38

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Solution

The fourth proportional to 260,768.82, 359,848.52 and 160,147.38 is: 220,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,768.82 : 359,848.52 = 160,147.38 : x
  2. Step 2: Convert to fraction form
    260,768.82/359,848.52 = 160,147.38/x
  3. Step 3: Cross multiply
    260,768.82x = 359,848.52 × 160,147.38
  4. Step 4: Simplify right side
    260,768.82x = 57,628,797,674.88
  5. Step 5: Solve for x
    x = 57,628,797,674.88/260,768.82
  6. Step 6: Final answer
    x = 220,995.74

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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.