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Finding the Fourth Proportional to 348,755.57, 481,249.43 and 195,758.67

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Solution

The fourth proportional to 348,755.57, 481,249.43 and 195,758.67 is: 270,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,755.57 : 481,249.43 = 195,758.67 : x
  2. Step 2: Convert to fraction form
    348,755.57/481,249.43 = 195,758.67/x
  3. Step 3: Cross multiply
    348,755.57x = 481,249.43 × 195,758.67
  4. Step 4: Simplify right side
    348,755.57x = 94,208,749,364.47
  5. Step 5: Solve for x
    x = 94,208,749,364.47/348,755.57
  6. Step 6: Final answer
    x = 270,128.30

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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.