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Finding the Fourth Proportional to 251,833.04, 377,880.77 and 111,558.86

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Solution

The fourth proportional to 251,833.04, 377,880.77 and 111,558.86 is: 167,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,833.04 : 377,880.77 = 111,558.86 : x
  2. Step 2: Convert to fraction form
    251,833.04/377,880.77 = 111,558.86/x
  3. Step 3: Cross multiply
    251,833.04x = 377,880.77 × 111,558.86
  4. Step 4: Simplify right side
    251,833.04x = 42,155,946,306.62
  5. Step 5: Solve for x
    x = 42,155,946,306.62/251,833.04
  6. Step 6: Final answer
    x = 167,396.41

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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.