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Finding the Fourth Proportional to 371,089.25, 512,104.16 and 201,323.38

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Solution

The fourth proportional to 371,089.25, 512,104.16 and 201,323.38 is: 277,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,089.25 : 512,104.16 = 201,323.38 : x
  2. Step 2: Convert to fraction form
    371,089.25/512,104.16 = 201,323.38/x
  3. Step 3: Cross multiply
    371,089.25x = 512,104.16 × 201,323.38
  4. Step 4: Simplify right side
    371,089.25x = 103,098,540,403.26
  5. Step 5: Solve for x
    x = 103,098,540,403.26/371,089.25
  6. Step 6: Final answer
    x = 277,826.80

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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.