Home / 327,114.90-490,672.35-256,256.10

Finding the Fourth Proportional to 327,114.90, 490,672.35 and 256,256.10

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Solution

The fourth proportional to 327,114.90, 490,672.35 and 256,256.10 is: 384,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,114.90 : 490,672.35 = 256,256.10 : x
  2. Step 2: Convert to fraction form
    327,114.90/490,672.35 = 256,256.10/x
  3. Step 3: Cross multiply
    327,114.90x = 490,672.35 × 256,256.10
  4. Step 4: Simplify right side
    327,114.90x = 125,737,782,788.84
  5. Step 5: Solve for x
    x = 125,737,782,788.84/327,114.90
  6. Step 6: Final answer
    x = 384,384.15

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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.