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Finding the Fourth Proportional to 328,233.60, 492,350.40 and 141,245.10

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Solution

The fourth proportional to 328,233.60, 492,350.40 and 141,245.10 is: 211,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,233.60 : 492,350.40 = 141,245.10 : x
  2. Step 2: Convert to fraction form
    328,233.60/492,350.40 = 141,245.10/x
  3. Step 3: Cross multiply
    328,233.60x = 492,350.40 × 141,245.10
  4. Step 4: Simplify right side
    328,233.60x = 69,542,081,483.04
  5. Step 5: Solve for x
    x = 69,542,081,483.04/328,233.60
  6. Step 6: Final answer
    x = 211,867.65

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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.