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Finding the Fourth Proportional to 260,708.64, 359,777.92 and 141,476.64

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Solution

The fourth proportional to 260,708.64, 359,777.92 and 141,476.64 is: 195,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,708.64 : 359,777.92 = 141,476.64 : x
  2. Step 2: Convert to fraction form
    260,708.64/359,777.92 = 141,476.64/x
  3. Step 3: Cross multiply
    260,708.64x = 359,777.92 × 141,476.64
  4. Step 4: Simplify right side
    260,708.64x = 50,900,171,267.79
  5. Step 5: Solve for x
    x = 50,900,171,267.79/260,708.64
  6. Step 6: Final answer
    x = 195,237.76

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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.