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Finding the Fourth Proportional to 334,066.59, 501,128.54 and 109,426.11

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Solution

The fourth proportional to 334,066.59, 501,128.54 and 109,426.11 is: 164,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,066.59 : 501,128.54 = 109,426.11 : x
  2. Step 2: Convert to fraction form
    334,066.59/501,128.54 = 109,426.11/x
  3. Step 3: Cross multiply
    334,066.59x = 501,128.54 × 109,426.11
  4. Step 4: Simplify right side
    334,066.59x = 54,836,546,195.05
  5. Step 5: Solve for x
    x = 54,836,546,195.05/334,066.59
  6. Step 6: Final answer
    x = 164,148.55

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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.