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Finding the Fourth Proportional to 251,730.90, 377,597.37 and 101,974.02

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Solution

The fourth proportional to 251,730.90, 377,597.37 and 101,974.02 is: 152,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,730.90 : 377,597.37 = 101,974.02 : x
  2. Step 2: Convert to fraction form
    251,730.90/377,597.37 = 101,974.02/x
  3. Step 3: Cross multiply
    251,730.90x = 377,597.37 × 101,974.02
  4. Step 4: Simplify right side
    251,730.90x = 38,505,122,563.92
  5. Step 5: Solve for x
    x = 38,505,122,563.92/251,730.90
  6. Step 6: Final answer
    x = 152,961.45

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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.