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Finding the Fourth Proportional to 331,323.90, 495,819.45 and 303,330.30

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Solution

The fourth proportional to 331,323.90, 495,819.45 and 303,330.30 is: 453,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,323.90 : 495,819.45 = 303,330.30 : x
  2. Step 2: Convert to fraction form
    331,323.90/495,819.45 = 303,330.30/x
  3. Step 3: Cross multiply
    331,323.90x = 495,819.45 × 303,330.30
  4. Step 4: Simplify right side
    331,323.90x = 150,397,062,514.34
  5. Step 5: Solve for x
    x = 150,397,062,514.34/331,323.90
  6. Step 6: Final answer
    x = 453,927.60

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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.