Home / 403,476.12-605,293.97-119,171.79

Finding the Fourth Proportional to 403,476.12, 605,293.97 and 119,171.79

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Solution

The fourth proportional to 403,476.12, 605,293.97 and 119,171.79 is: 178,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,476.12 : 605,293.97 = 119,171.79 : x
  2. Step 2: Convert to fraction form
    403,476.12/605,293.97 = 119,171.79/x
  3. Step 3: Cross multiply
    403,476.12x = 605,293.97 × 119,171.79
  4. Step 4: Simplify right side
    403,476.12x = 72,133,965,285.25
  5. Step 5: Solve for x
    x = 72,133,965,285.25/403,476.12
  6. Step 6: Final answer
    x = 178,781.25

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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.