Home / 284,835.78-393,112.53-163,974.42

Finding the Fourth Proportional to 284,835.78, 393,112.53 and 163,974.42

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Solution

The fourth proportional to 284,835.78, 393,112.53 and 163,974.42 is: 226,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,835.78 : 393,112.53 = 163,974.42 : x
  2. Step 2: Convert to fraction form
    284,835.78/393,112.53 = 163,974.42/x
  3. Step 3: Cross multiply
    284,835.78x = 393,112.53 × 163,974.42
  4. Step 4: Simplify right side
    284,835.78x = 64,460,399,101.48
  5. Step 5: Solve for x
    x = 64,460,399,101.48/284,835.78
  6. Step 6: Final answer
    x = 226,307.24

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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.