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Finding the Fourth Proportional to 336,045.93, 504,081.15 and 111,426.02

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Solution

The fourth proportional to 336,045.93, 504,081.15 and 111,426.02 is: 167,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,045.93 : 504,081.15 = 111,426.02 : x
  2. Step 2: Convert to fraction form
    336,045.93/504,081.15 = 111,426.02/x
  3. Step 3: Cross multiply
    336,045.93x = 504,081.15 × 111,426.02
  4. Step 4: Simplify right side
    336,045.93x = 56,167,753,781.12
  5. Step 5: Solve for x
    x = 56,167,753,781.12/336,045.93
  6. Step 6: Final answer
    x = 167,143.09

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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.