Home / 448,684.20-619,198.02-257,735.88

Finding the Fourth Proportional to 448,684.20, 619,198.02 and 257,735.88

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Solution

The fourth proportional to 448,684.20, 619,198.02 and 257,735.88 is: 355,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,684.20 : 619,198.02 = 257,735.88 : x
  2. Step 2: Convert to fraction form
    448,684.20/619,198.02 = 257,735.88/x
  3. Step 3: Cross multiply
    448,684.20x = 619,198.02 × 257,735.88
  4. Step 4: Simplify right side
    448,684.20x = 159,589,546,578.96
  5. Step 5: Solve for x
    x = 159,589,546,578.96/448,684.20
  6. Step 6: Final answer
    x = 355,683.46

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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.