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Finding the Fourth Proportional to 286,773.66, 395,739.51 and 159,446.94

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Solution

The fourth proportional to 286,773.66, 395,739.51 and 159,446.94 is: 220,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,773.66 : 395,739.51 = 159,446.94 : x
  2. Step 2: Convert to fraction form
    286,773.66/395,739.51 = 159,446.94/x
  3. Step 3: Cross multiply
    286,773.66x = 395,739.51 × 159,446.94
  4. Step 4: Simplify right side
    286,773.66x = 63,099,453,906.60
  5. Step 5: Solve for x
    x = 63,099,453,906.60/286,773.66
  6. Step 6: Final answer
    x = 220,032.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.