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Finding the Fourth Proportional to 201,609.15, 302,413.73 and 201,609.15

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Solution

The fourth proportional to 201,609.15, 302,413.73 and 201,609.15 is: 302,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,609.15 : 302,413.73 = 201,609.15 : x
  2. Step 2: Convert to fraction form
    201,609.15/302,413.73 = 201,609.15/x
  3. Step 3: Cross multiply
    201,609.15x = 302,413.73 × 201,609.15
  4. Step 4: Simplify right side
    201,609.15x = 60,969,374,045.58
  5. Step 5: Solve for x
    x = 60,969,374,045.58/201,609.15
  6. Step 6: Final answer
    x = 302,413.73

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1.5x scale

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.