Home / 448,976.72-619,591.56-245,029.28

Finding the Fourth Proportional to 448,976.72, 619,591.56 and 245,029.28

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Solution

The fourth proportional to 448,976.72, 619,591.56 and 245,029.28 is: 338,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,976.72 : 619,591.56 = 245,029.28 : x
  2. Step 2: Convert to fraction form
    448,976.72/619,591.56 = 245,029.28/x
  3. Step 3: Cross multiply
    448,976.72x = 619,591.56 × 245,029.28
  4. Step 4: Simplify right side
    448,976.72x = 151,818,073,840.88
  5. Step 5: Solve for x
    x = 151,818,073,840.88/448,976.72
  6. Step 6: Final answer
    x = 338,142.42

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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.