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Finding the Fourth Proportional to 342,308.80, 513,025.80 and 164,432.80

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Solution

The fourth proportional to 342,308.80, 513,025.80 and 164,432.80 is: 246,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,308.80 : 513,025.80 = 164,432.80 : x
  2. Step 2: Convert to fraction form
    342,308.80/513,025.80 = 164,432.80/x
  3. Step 3: Cross multiply
    342,308.80x = 513,025.80 × 164,432.80
  4. Step 4: Simplify right side
    342,308.80x = 84,358,268,766.24
  5. Step 5: Solve for x
    x = 84,358,268,766.24/342,308.80
  6. Step 6: Final answer
    x = 246,439.09

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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.