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Finding the Fourth Proportional to 251,851.37, 377,658.59 and 101,977.67

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Solution

The fourth proportional to 251,851.37, 377,658.59 and 101,977.67 is: 152,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,851.37 : 377,658.59 = 101,977.67 : x
  2. Step 2: Convert to fraction form
    251,851.37/377,658.59 = 101,977.67/x
  3. Step 3: Cross multiply
    251,851.37x = 377,658.59 × 101,977.67
  4. Step 4: Simplify right side
    251,851.37x = 38,512,743,497.94
  5. Step 5: Solve for x
    x = 38,512,743,497.94/251,851.37
  6. Step 6: Final answer
    x = 152,918.54

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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.