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Finding the Fourth Proportional to 328,920.73, 493,553.99 and 233,473.90

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Solution

The fourth proportional to 328,920.73, 493,553.99 and 233,473.90 is: 350,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,920.73 : 493,553.99 = 233,473.90 : x
  2. Step 2: Convert to fraction form
    328,920.73/493,553.99 = 233,473.90/x
  3. Step 3: Cross multiply
    328,920.73x = 493,553.99 × 233,473.90
  4. Step 4: Simplify right side
    328,920.73x = 115,231,971,270.72
  5. Step 5: Solve for x
    x = 115,231,971,270.72/328,920.73
  6. Step 6: Final answer
    x = 350,333.57

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1.5x scale

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.