Home / 268,877.10-403,315.65-257,067.30

Finding the Fourth Proportional to 268,877.10, 403,315.65 and 257,067.30

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Solution

The fourth proportional to 268,877.10, 403,315.65 and 257,067.30 is: 385,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,877.10 : 403,315.65 = 257,067.30 : x
  2. Step 2: Convert to fraction form
    268,877.10/403,315.65 = 257,067.30/x
  3. Step 3: Cross multiply
    268,877.10x = 403,315.65 × 257,067.30
  4. Step 4: Simplify right side
    268,877.10x = 103,679,265,193.25
  5. Step 5: Solve for x
    x = 103,679,265,193.25/268,877.10
  6. Step 6: Final answer
    x = 385,600.95

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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.