Home / 253,669.76-380,508.24-120,563.36

Finding the Fourth Proportional to 253,669.76, 380,508.24 and 120,563.36

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Solution

The fourth proportional to 253,669.76, 380,508.24 and 120,563.36 is: 180,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,669.76 : 380,508.24 = 120,563.36 : x
  2. Step 2: Convert to fraction form
    253,669.76/380,508.24 = 120,563.36/x
  3. Step 3: Cross multiply
    253,669.76x = 380,508.24 × 120,563.36
  4. Step 4: Simplify right side
    253,669.76x = 45,875,351,922.09
  5. Step 5: Solve for x
    x = 45,875,351,922.09/253,669.76
  6. Step 6: Final answer
    x = 180,846.75

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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.