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Finding the Fourth Proportional to 263,332.44, 395,097.66 and 156,777.88

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Solution

The fourth proportional to 263,332.44, 395,097.66 and 156,777.88 is: 235,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,332.44 : 395,097.66 = 156,777.88 : x
  2. Step 2: Convert to fraction form
    263,332.44/395,097.66 = 156,777.88/x
  3. Step 3: Cross multiply
    263,332.44x = 395,097.66 × 156,777.88
  4. Step 4: Simplify right side
    263,332.44x = 61,942,573,527.76
  5. Step 5: Solve for x
    x = 61,942,573,527.76/263,332.44
  6. Step 6: Final answer
    x = 235,225.76

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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.