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Finding the Fourth Proportional to 285,453.70, 428,245.35 and 167,064.10

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Solution

The fourth proportional to 285,453.70, 428,245.35 and 167,064.10 is: 250,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,453.70 : 428,245.35 = 167,064.10 : x
  2. Step 2: Convert to fraction form
    285,453.70/428,245.35 = 167,064.10/x
  3. Step 3: Cross multiply
    285,453.70x = 428,245.35 × 167,064.10
  4. Step 4: Simplify right side
    285,453.70x = 71,544,423,976.94
  5. Step 5: Solve for x
    x = 71,544,423,976.94/285,453.70
  6. Step 6: Final answer
    x = 250,634.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.