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Finding the Fourth Proportional to 404,648.60, 606,972.90 and 218,024.60

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Solution

The fourth proportional to 404,648.60, 606,972.90 and 218,024.60 is: 327,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,648.60 : 606,972.90 = 218,024.60 : x
  2. Step 2: Convert to fraction form
    404,648.60/606,972.90 = 218,024.60/x
  3. Step 3: Cross multiply
    404,648.60x = 606,972.90 × 218,024.60
  4. Step 4: Simplify right side
    404,648.60x = 132,335,023,733.34
  5. Step 5: Solve for x
    x = 132,335,023,733.34/404,648.60
  6. Step 6: Final answer
    x = 327,036.90

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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.