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Finding the Fourth Proportional to 400,249.81, 600,374.72 and 189,772.93

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Solution

The fourth proportional to 400,249.81, 600,374.72 and 189,772.93 is: 284,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,249.81 : 600,374.72 = 189,772.93 : x
  2. Step 2: Convert to fraction form
    400,249.81/600,374.72 = 189,772.93/x
  3. Step 3: Cross multiply
    400,249.81x = 600,374.72 × 189,772.93
  4. Step 4: Simplify right side
    400,249.81x = 113,934,869,712.33
  5. Step 5: Solve for x
    x = 113,934,869,712.33/400,249.81
  6. Step 6: Final answer
    x = 284,659.40

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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.