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Finding the Fourth Proportional to 243,805.89, 336,488.04 and 148,294.11

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Solution

The fourth proportional to 243,805.89, 336,488.04 and 148,294.11 is: 204,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,805.89 : 336,488.04 = 148,294.11 : x
  2. Step 2: Convert to fraction form
    243,805.89/336,488.04 = 148,294.11/x
  3. Step 3: Cross multiply
    243,805.89x = 336,488.04 × 148,294.11
  4. Step 4: Simplify right side
    243,805.89x = 49,899,194,417.44
  5. Step 5: Solve for x
    x = 49,899,194,417.44/243,805.89
  6. Step 6: Final answer
    x = 204,667.72

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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.