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Finding the Fourth Proportional to 251,739.34, 377,610 and 101,982.46

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Solution

The fourth proportional to 251,739.34, 377,610 and 101,982.46 is: 152,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,739.34 : 377,610 = 101,982.46 : x
  2. Step 2: Convert to fraction form
    251,739.34/377,610 = 101,982.46/x
  3. Step 3: Cross multiply
    251,739.34x = 377,610 × 101,982.46
  4. Step 4: Simplify right side
    251,739.34x = 38,509,596,720.60
  5. Step 5: Solve for x
    x = 38,509,596,720.60/251,739.34
  6. Step 6: Final answer
    x = 152,974.09

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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.