Home / 307,394.17-461,131.58-120,381.37

Finding the Fourth Proportional to 307,394.17, 461,131.58 and 120,381.37

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Solution

The fourth proportional to 307,394.17, 461,131.58 and 120,381.37 is: 180,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,394.17 : 461,131.58 = 120,381.37 : x
  2. Step 2: Convert to fraction form
    307,394.17/461,131.58 = 120,381.37/x
  3. Step 3: Cross multiply
    307,394.17x = 461,131.58 × 120,381.37
  4. Step 4: Simplify right side
    307,394.17x = 55,511,650,748.76
  5. Step 5: Solve for x
    x = 55,511,650,748.76/307,394.17
  6. Step 6: Final answer
    x = 180,587.85

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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.