Home / 285,125.57-393,429.45-164,243.24

Finding the Fourth Proportional to 285,125.57, 393,429.45 and 164,243.24

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Solution

The fourth proportional to 285,125.57, 393,429.45 and 164,243.24 is: 226,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,125.57 : 393,429.45 = 164,243.24 : x
  2. Step 2: Convert to fraction form
    285,125.57/393,429.45 = 164,243.24/x
  3. Step 3: Cross multiply
    285,125.57x = 393,429.45 × 164,243.24
  4. Step 4: Simplify right side
    285,125.57x = 64,618,129,916.58
  5. Step 5: Solve for x
    x = 64,618,129,916.58/285,125.57
  6. Step 6: Final answer
    x = 226,630.43

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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.