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Finding the Fourth Proportional to 370,413.27, 511,172.76 and 200,647.39

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Solution

The fourth proportional to 370,413.27, 511,172.76 and 200,647.39 is: 276,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,413.27 : 511,172.76 = 200,647.39 : x
  2. Step 2: Convert to fraction form
    370,413.27/511,172.76 = 200,647.39/x
  3. Step 3: Cross multiply
    370,413.27x = 511,172.76 × 200,647.39
  4. Step 4: Simplify right side
    370,413.27x = 102,565,480,133.10
  5. Step 5: Solve for x
    x = 102,565,480,133.10/370,413.27
  6. Step 6: Final answer
    x = 276,894.72

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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.