Home / 268,003.02-401,993.34-68,328.30

Finding the Fourth Proportional to 268,003.02, 401,993.34 and 68,328.30

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Solution

The fourth proportional to 268,003.02, 401,993.34 and 68,328.30 is: 102,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,003.02 : 401,993.34 = 68,328.30 : x
  2. Step 2: Convert to fraction form
    268,003.02/401,993.34 = 68,328.30/x
  3. Step 3: Cross multiply
    268,003.02x = 401,993.34 × 68,328.30
  4. Step 4: Simplify right side
    268,003.02x = 27,467,521,533.52
  5. Step 5: Solve for x
    x = 27,467,521,533.52/268,003.02
  6. Step 6: Final answer
    x = 102,489.60

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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.