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Finding the Fourth Proportional to 371,290.08, 512,381.29 and 201,524.20

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Solution

The fourth proportional to 371,290.08, 512,381.29 and 201,524.20 is: 278,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,290.08 : 512,381.29 = 201,524.20 : x
  2. Step 2: Convert to fraction form
    371,290.08/512,381.29 = 201,524.20/x
  3. Step 3: Cross multiply
    371,290.08x = 512,381.29 × 201,524.20
  4. Step 4: Simplify right side
    371,290.08x = 103,257,230,454.60
  5. Step 5: Solve for x
    x = 103,257,230,454.60/371,290.08
  6. Step 6: Final answer
    x = 278,103.93

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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.