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Finding the Fourth Proportional to 315,171.93, 472,845.38 and 175,028.97

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Solution

The fourth proportional to 315,171.93, 472,845.38 and 175,028.97 is: 262,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,171.93 : 472,845.38 = 175,028.97 : x
  2. Step 2: Convert to fraction form
    315,171.93/472,845.38 = 175,028.97/x
  3. Step 3: Cross multiply
    315,171.93x = 472,845.38 × 175,028.97
  4. Step 4: Simplify right side
    315,171.93x = 82,761,639,830.66
  5. Step 5: Solve for x
    x = 82,761,639,830.66/315,171.93
  6. Step 6: Final answer
    x = 262,592.04

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1.5x scale

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.