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Finding the Fourth Proportional to 605,429.60, 908,144.40 and 162,197.60

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Solution

The fourth proportional to 605,429.60, 908,144.40 and 162,197.60 is: 243,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,429.60 : 908,144.40 = 162,197.60 : x
  2. Step 2: Convert to fraction form
    605,429.60/908,144.40 = 162,197.60/x
  3. Step 3: Cross multiply
    605,429.60x = 908,144.40 × 162,197.60
  4. Step 4: Simplify right side
    605,429.60x = 147,298,842,133.44
  5. Step 5: Solve for x
    x = 147,298,842,133.44/605,429.60
  6. Step 6: Final answer
    x = 243,296.40

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Similar ratio
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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.