Home / 448,974.45-619,533.90-258,049.35

Finding the Fourth Proportional to 448,974.45, 619,533.90 and 258,049.35

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Solution

The fourth proportional to 448,974.45, 619,533.90 and 258,049.35 is: 356,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,974.45 : 619,533.90 = 258,049.35 : x
  2. Step 2: Convert to fraction form
    448,974.45/619,533.90 = 258,049.35/x
  3. Step 3: Cross multiply
    448,974.45x = 619,533.90 × 258,049.35
  4. Step 4: Simplify right side
    448,974.45x = 159,870,320,197.97
  5. Step 5: Solve for x
    x = 159,870,320,197.97/448,974.45
  6. Step 6: Final answer
    x = 356,078.88

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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.