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Finding the Fourth Proportional to 342,949.20, 514,423.80 and 201,231.60

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Solution

The fourth proportional to 342,949.20, 514,423.80 and 201,231.60 is: 301,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,949.20 : 514,423.80 = 201,231.60 : x
  2. Step 2: Convert to fraction form
    342,949.20/514,423.80 = 201,231.60/x
  3. Step 3: Cross multiply
    342,949.20x = 514,423.80 × 201,231.60
  4. Step 4: Simplify right side
    342,949.20x = 103,518,324,352.08
  5. Step 5: Solve for x
    x = 103,518,324,352.08/342,949.20
  6. Step 6: Final answer
    x = 301,847.40

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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.