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Finding the Fourth Proportional to 270,745.16, 373,623.60 and 149,883.80

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Solution

The fourth proportional to 270,745.16, 373,623.60 and 149,883.80 is: 206,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,745.16 : 373,623.60 = 149,883.80 : x
  2. Step 2: Convert to fraction form
    270,745.16/373,623.60 = 149,883.80/x
  3. Step 3: Cross multiply
    270,745.16x = 373,623.60 × 149,883.80
  4. Step 4: Simplify right side
    270,745.16x = 56,000,124,937.68
  5. Step 5: Solve for x
    x = 56,000,124,937.68/270,745.16
  6. Step 6: Final answer
    x = 206,837.03

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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.