Home / 315,976.82-474,084.93-189,705.24

Finding the Fourth Proportional to 315,976.82, 474,084.93 and 189,705.24

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Solution

The fourth proportional to 315,976.82, 474,084.93 and 189,705.24 is: 284,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,976.82 : 474,084.93 = 189,705.24 : x
  2. Step 2: Convert to fraction form
    315,976.82/474,084.93 = 189,705.24/x
  3. Step 3: Cross multiply
    315,976.82x = 474,084.93 × 189,705.24
  4. Step 4: Simplify right side
    315,976.82x = 89,936,395,426.03
  5. Step 5: Solve for x
    x = 89,936,395,426.03/315,976.82
  6. Step 6: Final answer
    x = 284,629.73

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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.