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Finding the Fourth Proportional to 286,265.88, 395,134.08 and 178,767.48

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Solution

The fourth proportional to 286,265.88, 395,134.08 and 178,767.48 is: 246,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,265.88 : 395,134.08 = 178,767.48 : x
  2. Step 2: Convert to fraction form
    286,265.88/395,134.08 = 178,767.48/x
  3. Step 3: Cross multiply
    286,265.88x = 395,134.08 × 178,767.48
  4. Step 4: Simplify right side
    286,265.88x = 70,637,123,743.72
  5. Step 5: Solve for x
    x = 70,637,123,743.72/286,265.88
  6. Step 6: Final answer
    x = 246,753.56

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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.