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Finding the Fourth Proportional to 315,550.49, 473,464.44 and 165,755.97

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Solution

The fourth proportional to 315,550.49, 473,464.44 and 165,755.97 is: 248,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,550.49 : 473,464.44 = 165,755.97 : x
  2. Step 2: Convert to fraction form
    315,550.49/473,464.44 = 165,755.97/x
  3. Step 3: Cross multiply
    315,550.49x = 473,464.44 × 165,755.97
  4. Step 4: Simplify right side
    315,550.49x = 78,479,557,512.71
  5. Step 5: Solve for x
    x = 78,479,557,512.71/315,550.49
  6. Step 6: Final answer
    x = 248,706.82

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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.