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Finding the Fourth Proportional to 247,059, 371,084.40 and 147,413.64

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Solution

The fourth proportional to 247,059, 371,084.40 and 147,413.64 is: 221,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,059 : 371,084.40 = 147,413.64 : x
  2. Step 2: Convert to fraction form
    247,059/371,084.40 = 147,413.64/x
  3. Step 3: Cross multiply
    247,059x = 371,084.40 × 147,413.64
  4. Step 4: Simplify right side
    247,059x = 54,702,902,151.22
  5. Step 5: Solve for x
    x = 54,702,902,151.22/247,059
  6. Step 6: Final answer
    x = 221,416.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.