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Finding the Fourth Proportional to 366,928.30, 549,874.05 and 271,413.10

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Solution

The fourth proportional to 366,928.30, 549,874.05 and 271,413.10 is: 406,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.30 : 549,874.05 = 271,413.10 : x
  2. Step 2: Convert to fraction form
    366,928.30/549,874.05 = 271,413.10/x
  3. Step 3: Cross multiply
    366,928.30x = 549,874.05 × 271,413.10
  4. Step 4: Simplify right side
    366,928.30x = 149,243,020,520.06
  5. Step 5: Solve for x
    x = 149,243,020,520.06/366,928.30
  6. Step 6: Final answer
    x = 406,736.19

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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.