Home / 403,982.37-605,972.54-119,695.05

Finding the Fourth Proportional to 403,982.37, 605,972.54 and 119,695.05

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Solution

The fourth proportional to 403,982.37, 605,972.54 and 119,695.05 is: 179,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,982.37 : 605,972.54 = 119,695.05 : x
  2. Step 2: Convert to fraction form
    403,982.37/605,972.54 = 119,695.05/x
  3. Step 3: Cross multiply
    403,982.37x = 605,972.54 × 119,695.05
  4. Step 4: Simplify right side
    403,982.37x = 72,531,913,773.16
  5. Step 5: Solve for x
    x = 72,531,913,773.16/403,982.37
  6. Step 6: Final answer
    x = 179,542.28

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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.