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Finding the Fourth Proportional to 248,792.97, 343,123.02 and 210,219.78

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Solution

The fourth proportional to 248,792.97, 343,123.02 and 210,219.78 is: 289,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.97 : 343,123.02 = 210,219.78 : x
  2. Step 2: Convert to fraction form
    248,792.97/343,123.02 = 210,219.78/x
  3. Step 3: Cross multiply
    248,792.97x = 343,123.02 × 210,219.78
  4. Step 4: Simplify right side
    248,792.97x = 72,131,245,777.34
  5. Step 5: Solve for x
    x = 72,131,245,777.34/248,792.97
  6. Step 6: Final answer
    x = 289,924.77

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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.