Home / 397,744.55-548,899.93-225,669.77

Finding the Fourth Proportional to 397,744.55, 548,899.93 and 225,669.77

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Solution

The fourth proportional to 397,744.55, 548,899.93 and 225,669.77 is: 311,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,744.55 : 548,899.93 = 225,669.77 : x
  2. Step 2: Convert to fraction form
    397,744.55/548,899.93 = 225,669.77/x
  3. Step 3: Cross multiply
    397,744.55x = 548,899.93 × 225,669.77
  4. Step 4: Simplify right side
    397,744.55x = 123,870,120,956.12
  5. Step 5: Solve for x
    x = 123,870,120,956.12/397,744.55
  6. Step 6: Final answer
    x = 311,431.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.