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Finding the Fourth Proportional to 355,371.33, 490,413.33 and 194,228.31

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Solution

The fourth proportional to 355,371.33, 490,413.33 and 194,228.31 is: 268,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,371.33 : 490,413.33 = 194,228.31 : x
  2. Step 2: Convert to fraction form
    355,371.33/490,413.33 = 194,228.31/x
  3. Step 3: Cross multiply
    355,371.33x = 490,413.33 × 194,228.31
  4. Step 4: Simplify right side
    355,371.33x = 95,252,152,287.37
  5. Step 5: Solve for x
    x = 95,252,152,287.37/355,371.33
  6. Step 6: Final answer
    x = 268,035.56

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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.