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Finding the Fourth Proportional to 379,874.73, 569,601.73 and 155,392.80

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Solution

The fourth proportional to 379,874.73, 569,601.73 and 155,392.80 is: 233,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,874.73 : 569,601.73 = 155,392.80 : x
  2. Step 2: Convert to fraction form
    379,874.73/569,601.73 = 155,392.80/x
  3. Step 3: Cross multiply
    379,874.73x = 569,601.73 × 155,392.80
  4. Step 4: Simplify right side
    379,874.73x = 88,512,007,709.54
  5. Step 5: Solve for x
    x = 88,512,007,709.54/379,874.73
  6. Step 6: Final answer
    x = 233,003.15

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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.