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Finding the Fourth Proportional to 355,110.31, 490,048.99 and 193,965.33

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Solution

The fourth proportional to 355,110.31, 490,048.99 and 193,965.33 is: 267,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,110.31 : 490,048.99 = 193,965.33 : x
  2. Step 2: Convert to fraction form
    355,110.31/490,048.99 = 193,965.33/x
  3. Step 3: Cross multiply
    355,110.31x = 490,048.99 × 193,965.33
  4. Step 4: Simplify right side
    355,110.31x = 95,052,514,061.52
  5. Step 5: Solve for x
    x = 95,052,514,061.52/355,110.31
  6. Step 6: Final answer
    x = 267,670.39

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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.