Home / 251,895.36-377,892.87-71,982.41

Finding the Fourth Proportional to 251,895.36, 377,892.87 and 71,982.41

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Solution

The fourth proportional to 251,895.36, 377,892.87 and 71,982.41 is: 107,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,895.36 : 377,892.87 = 71,982.41 : x
  2. Step 2: Convert to fraction form
    251,895.36/377,892.87 = 71,982.41/x
  3. Step 3: Cross multiply
    251,895.36x = 377,892.87 × 71,982.41
  4. Step 4: Simplify right side
    251,895.36x = 27,201,638,762.12
  5. Step 5: Solve for x
    x = 27,201,638,762.12/251,895.36
  6. Step 6: Final answer
    x = 107,987.85

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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.