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Finding the Fourth Proportional to 342,160.80, 513,241.20 and 329,038.80

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Solution

The fourth proportional to 342,160.80, 513,241.20 and 329,038.80 is: 493,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,160.80 : 513,241.20 = 329,038.80 : x
  2. Step 2: Convert to fraction form
    342,160.80/513,241.20 = 329,038.80/x
  3. Step 3: Cross multiply
    342,160.80x = 513,241.20 × 329,038.80
  4. Step 4: Simplify right side
    342,160.80x = 168,876,268,558.56
  5. Step 5: Solve for x
    x = 168,876,268,558.56/342,160.80
  6. Step 6: Final answer
    x = 493,558.20

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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.