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Finding the Fourth Proportional to 354,322.53, 488,842.43 and 227,068.29

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Solution

The fourth proportional to 354,322.53, 488,842.43 and 227,068.29 is: 313,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,322.53 : 488,842.43 = 227,068.29 : x
  2. Step 2: Convert to fraction form
    354,322.53/488,842.43 = 227,068.29/x
  3. Step 3: Cross multiply
    354,322.53x = 488,842.43 × 227,068.29
  4. Step 4: Simplify right side
    354,322.53x = 111,000,613,524.20
  5. Step 5: Solve for x
    x = 111,000,613,524.20/354,322.53
  6. Step 6: Final answer
    x = 313,275.63

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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.