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Finding the Fourth Proportional to 272,783.43, 376,452.78 and 151,924.68

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Solution

The fourth proportional to 272,783.43, 376,452.78 and 151,924.68 is: 209,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,783.43 : 376,452.78 = 151,924.68 : x
  2. Step 2: Convert to fraction form
    272,783.43/376,452.78 = 151,924.68/x
  3. Step 3: Cross multiply
    272,783.43x = 376,452.78 × 151,924.68
  4. Step 4: Simplify right side
    272,783.43x = 57,192,468,136.61
  5. Step 5: Solve for x
    x = 57,192,468,136.61/272,783.43
  6. Step 6: Final answer
    x = 209,662.54

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1.5x scale

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.