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Finding the Fourth Proportional to 201,453.60, 302,413.20 and 108,141.60

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Solution

The fourth proportional to 201,453.60, 302,413.20 and 108,141.60 is: 162,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453.60 : 302,413.20 = 108,141.60 : x
  2. Step 2: Convert to fraction form
    201,453.60/302,413.20 = 108,141.60/x
  3. Step 3: Cross multiply
    201,453.60x = 302,413.20 × 108,141.60
  4. Step 4: Simplify right side
    201,453.60x = 32,703,447,309.12
  5. Step 5: Solve for x
    x = 32,703,447,309.12/201,453.60
  6. Step 6: Final answer
    x = 162,337.37

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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.