Home / 268,563.03-403,022.02-126,448.95

Finding the Fourth Proportional to 268,563.03, 403,022.02 and 126,448.95

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Solution

The fourth proportional to 268,563.03, 403,022.02 and 126,448.95 is: 189,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,563.03 : 403,022.02 = 126,448.95 : x
  2. Step 2: Convert to fraction form
    268,563.03/403,022.02 = 126,448.95/x
  3. Step 3: Cross multiply
    268,563.03x = 403,022.02 × 126,448.95
  4. Step 4: Simplify right side
    268,563.03x = 50,961,708,608.52
  5. Step 5: Solve for x
    x = 50,961,708,608.52/268,563.03
  6. Step 6: Final answer
    x = 189,756.98

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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.