Home / 356,413.60-491,851.18-195,278.96

Finding the Fourth Proportional to 356,413.60, 491,851.18 and 195,278.96

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Solution

The fourth proportional to 356,413.60, 491,851.18 and 195,278.96 is: 269,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,413.60 : 491,851.18 = 195,278.96 : x
  2. Step 2: Convert to fraction form
    356,413.60/491,851.18 = 195,278.96/x
  3. Step 3: Cross multiply
    356,413.60x = 491,851.18 × 195,278.96
  4. Step 4: Simplify right side
    356,413.60x = 96,048,186,905.17
  5. Step 5: Solve for x
    x = 96,048,186,905.17/356,413.60
  6. Step 6: Final answer
    x = 269,485.19

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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.