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Finding the Fourth Proportional to 333,912.36, 500,926.86 and 146,919

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Solution

The fourth proportional to 333,912.36, 500,926.86 and 146,919 is: 220,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,912.36 : 500,926.86 = 146,919 : x
  2. Step 2: Convert to fraction form
    333,912.36/500,926.86 = 146,919/x
  3. Step 3: Cross multiply
    333,912.36x = 500,926.86 × 146,919
  4. Step 4: Simplify right side
    333,912.36x = 73,595,673,344.34
  5. Step 5: Solve for x
    x = 73,595,673,344.34/333,912.36
  6. Step 6: Final answer
    x = 220,404.16

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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.