Home / 285,149.23-393,461.89-164,266.85

Finding the Fourth Proportional to 285,149.23, 393,461.89 and 164,266.85

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Solution

The fourth proportional to 285,149.23, 393,461.89 and 164,266.85 is: 226,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,149.23 : 393,461.89 = 164,266.85 : x
  2. Step 2: Convert to fraction form
    285,149.23/393,461.89 = 164,266.85/x
  3. Step 3: Cross multiply
    285,149.23x = 393,461.89 × 164,266.85
  4. Step 4: Simplify right side
    285,149.23x = 64,632,745,838.33
  5. Step 5: Solve for x
    x = 64,632,745,838.33/285,149.23
  6. Step 6: Final answer
    x = 226,662.88

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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.