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Finding the Fourth Proportional to 329,327.64, 494,779.50 and 211,229.64

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Solution

The fourth proportional to 329,327.64, 494,779.50 and 211,229.64 is: 317,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,327.64 : 494,779.50 = 211,229.64 : x
  2. Step 2: Convert to fraction form
    329,327.64/494,779.50 = 211,229.64/x
  3. Step 3: Cross multiply
    329,327.64x = 494,779.50 × 211,229.64
  4. Step 4: Simplify right side
    329,327.64x = 104,512,095,664.38
  5. Step 5: Solve for x
    x = 104,512,095,664.38/329,327.64
  6. Step 6: Final answer
    x = 317,349.91

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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.