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Finding the Fourth Proportional to 471,413.88, 650,618.16 and 267,515.04

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Solution

The fourth proportional to 471,413.88, 650,618.16 and 267,515.04 is: 369,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,413.88 : 650,618.16 = 267,515.04 : x
  2. Step 2: Convert to fraction form
    471,413.88/650,618.16 = 267,515.04/x
  3. Step 3: Cross multiply
    471,413.88x = 650,618.16 × 267,515.04
  4. Step 4: Simplify right side
    471,413.88x = 174,050,143,097.13
  5. Step 5: Solve for x
    x = 174,050,143,097.13/471,413.88
  6. Step 6: Final answer
    x = 369,208.78

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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.