Home / 260,392.80-390,589.20-94,141.92

Finding the Fourth Proportional to 260,392.80, 390,589.20 and 94,141.92

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Solution

The fourth proportional to 260,392.80, 390,589.20 and 94,141.92 is: 141,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,392.80 : 390,589.20 = 94,141.92 : x
  2. Step 2: Convert to fraction form
    260,392.80/390,589.20 = 94,141.92/x
  3. Step 3: Cross multiply
    260,392.80x = 390,589.20 × 94,141.92
  4. Step 4: Simplify right side
    260,392.80x = 36,770,817,219.26
  5. Step 5: Solve for x
    x = 36,770,817,219.26/260,392.80
  6. Step 6: Final answer
    x = 141,212.88

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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.