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Finding the Fourth Proportional to 201,459.60, 302,422.20 and 108,147.60

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Solution

The fourth proportional to 201,459.60, 302,422.20 and 108,147.60 is: 162,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,459.60 : 302,422.20 = 108,147.60 : x
  2. Step 2: Convert to fraction form
    201,459.60/302,422.20 = 108,147.60/x
  3. Step 3: Cross multiply
    201,459.60x = 302,422.20 × 108,147.60
  4. Step 4: Simplify right side
    201,459.60x = 32,706,235,116.72
  5. Step 5: Solve for x
    x = 32,706,235,116.72/201,459.60
  6. Step 6: Final answer
    x = 162,346.37

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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.