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Finding the Fourth Proportional to 404,873.60, 607,310.40 and 218,249.60

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Solution

The fourth proportional to 404,873.60, 607,310.40 and 218,249.60 is: 327,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,873.60 : 607,310.40 = 218,249.60 : x
  2. Step 2: Convert to fraction form
    404,873.60/607,310.40 = 218,249.60/x
  3. Step 3: Cross multiply
    404,873.60x = 607,310.40 × 218,249.60
  4. Step 4: Simplify right side
    404,873.60x = 132,545,251,875.84
  5. Step 5: Solve for x
    x = 132,545,251,875.84/404,873.60
  6. Step 6: Final answer
    x = 327,374.40

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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.