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Finding the Fourth Proportional to 284,064.90, 391,844.28 and 182,054.10

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Solution

The fourth proportional to 284,064.90, 391,844.28 and 182,054.10 is: 251,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,064.90 : 391,844.28 = 182,054.10 : x
  2. Step 2: Convert to fraction form
    284,064.90/391,844.28 = 182,054.10/x
  3. Step 3: Cross multiply
    284,064.90x = 391,844.28 × 182,054.10
  4. Step 4: Simplify right side
    284,064.90x = 71,336,857,735.55
  5. Step 5: Solve for x
    x = 71,336,857,735.55/284,064.90
  6. Step 6: Final answer
    x = 251,128.73

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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.