Home / 419,856.04-579,380.38-238,544.02

Finding the Fourth Proportional to 419,856.04, 579,380.38 and 238,544.02

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Solution

The fourth proportional to 419,856.04, 579,380.38 and 238,544.02 is: 329,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,856.04 : 579,380.38 = 238,544.02 : x
  2. Step 2: Convert to fraction form
    419,856.04/579,380.38 = 238,544.02/x
  3. Step 3: Cross multiply
    419,856.04x = 579,380.38 × 238,544.02
  4. Step 4: Simplify right side
    419,856.04x = 138,207,724,954.33
  5. Step 5: Solve for x
    x = 138,207,724,954.33/419,856.04
  6. Step 6: Final answer
    x = 329,178.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.