Home / 305,997.05-422,285.44-168,173.47

Finding the Fourth Proportional to 305,997.05, 422,285.44 and 168,173.47

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Solution

The fourth proportional to 305,997.05, 422,285.44 and 168,173.47 is: 232,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,997.05 : 422,285.44 = 168,173.47 : x
  2. Step 2: Convert to fraction form
    305,997.05/422,285.44 = 168,173.47/x
  3. Step 3: Cross multiply
    305,997.05x = 422,285.44 × 168,173.47
  4. Step 4: Simplify right side
    305,997.05x = 71,017,209,858.69
  5. Step 5: Solve for x
    x = 71,017,209,858.69/305,997.05
  6. Step 6: Final answer
    x = 232,084.62

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1.5x scale

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.