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Finding the Fourth Proportional to 375,181.62, 517,799.91 and 213,999.66

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Solution

The fourth proportional to 375,181.62, 517,799.91 and 213,999.66 is: 295,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,181.62 : 517,799.91 = 213,999.66 : x
  2. Step 2: Convert to fraction form
    375,181.62/517,799.91 = 213,999.66/x
  3. Step 3: Cross multiply
    375,181.62x = 517,799.91 × 213,999.66
  4. Step 4: Simplify right side
    375,181.62x = 110,809,004,688.03
  5. Step 5: Solve for x
    x = 110,809,004,688.03/375,181.62
  6. Step 6: Final answer
    x = 295,347.64

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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.