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Finding the Fourth Proportional to 328,963.33, 493,345.67 and 171,105.67

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Solution

The fourth proportional to 328,963.33, 493,345.67 and 171,105.67 is: 256,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,963.33 : 493,345.67 = 171,105.67 : x
  2. Step 2: Convert to fraction form
    328,963.33/493,345.67 = 171,105.67/x
  3. Step 3: Cross multiply
    328,963.33x = 493,345.67 × 171,105.67
  4. Step 4: Simplify right side
    328,963.33x = 84,414,241,406.95
  5. Step 5: Solve for x
    x = 84,414,241,406.95/328,963.33
  6. Step 6: Final answer
    x = 256,606.84

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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.