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Finding the Fourth Proportional to 334,426.36, 501,656.30 and 109,695.88

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Solution

The fourth proportional to 334,426.36, 501,656.30 and 109,695.88 is: 164,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,426.36 : 501,656.30 = 109,695.88 : x
  2. Step 2: Convert to fraction form
    334,426.36/501,656.30 = 109,695.88/x
  3. Step 3: Cross multiply
    334,426.36x = 501,656.30 × 109,695.88
  4. Step 4: Simplify right side
    334,426.36x = 55,029,629,286.04
  5. Step 5: Solve for x
    x = 55,029,629,286.04/334,426.36
  6. Step 6: Final answer
    x = 164,549.32

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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.