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Finding the Fourth Proportional to 336,600.64, 505,264.92 and 299,398.96

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Solution

The fourth proportional to 336,600.64, 505,264.92 and 299,398.96 is: 449,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,600.64 : 505,264.92 = 299,398.96 : x
  2. Step 2: Convert to fraction form
    336,600.64/505,264.92 = 299,398.96/x
  3. Step 3: Cross multiply
    336,600.64x = 505,264.92 × 299,398.96
  4. Step 4: Simplify right side
    336,600.64x = 151,275,791,572.48
  5. Step 5: Solve for x
    x = 151,275,791,572.48/336,600.64
  6. Step 6: Final answer
    x = 449,422.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.