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Finding the Fourth Proportional to 264,271.92, 364,695.49 and 143,413.21

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Solution

The fourth proportional to 264,271.92, 364,695.49 and 143,413.21 is: 197,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,271.92 : 364,695.49 = 143,413.21 : x
  2. Step 2: Convert to fraction form
    264,271.92/364,695.49 = 143,413.21/x
  3. Step 3: Cross multiply
    264,271.92x = 364,695.49 × 143,413.21
  4. Step 4: Simplify right side
    264,271.92x = 52,302,149,354.25
  5. Step 5: Solve for x
    x = 52,302,149,354.25/264,271.92
  6. Step 6: Final answer
    x = 197,910.35

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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.