Home / 268,810.30-403,215.45-174,331.90

Finding the Fourth Proportional to 268,810.30, 403,215.45 and 174,331.90

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Solution

The fourth proportional to 268,810.30, 403,215.45 and 174,331.90 is: 261,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,810.30 : 403,215.45 = 174,331.90 : x
  2. Step 2: Convert to fraction form
    268,810.30/403,215.45 = 174,331.90/x
  3. Step 3: Cross multiply
    268,810.30x = 403,215.45 × 174,331.90
  4. Step 4: Simplify right side
    268,810.30x = 70,293,315,507.86
  5. Step 5: Solve for x
    x = 70,293,315,507.86/268,810.30
  6. Step 6: Final answer
    x = 261,497.85

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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.