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Finding the Fourth Proportional to 239,931.41, 359,776.45 and 79,950.69

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Solution

The fourth proportional to 239,931.41, 359,776.45 and 79,950.69 is: 119,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,931.41 : 359,776.45 = 79,950.69 : x
  2. Step 2: Convert to fraction form
    239,931.41/359,776.45 = 79,950.69/x
  3. Step 3: Cross multiply
    239,931.41x = 359,776.45 × 79,950.69
  4. Step 4: Simplify right side
    239,931.41x = 28,764,375,223.37
  5. Step 5: Solve for x
    x = 28,764,375,223.37/239,931.41
  6. Step 6: Final answer
    x = 119,885.83

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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.