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Finding the Fourth Proportional to 285,250.56, 393,615.90 and 164,367.84

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Solution

The fourth proportional to 285,250.56, 393,615.90 and 164,367.84 is: 226,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,250.56 : 393,615.90 = 164,367.84 : x
  2. Step 2: Convert to fraction form
    285,250.56/393,615.90 = 164,367.84/x
  3. Step 3: Cross multiply
    285,250.56x = 393,615.90 × 164,367.84
  4. Step 4: Simplify right side
    285,250.56x = 64,697,795,272.66
  5. Step 5: Solve for x
    x = 64,697,795,272.66/285,250.56
  6. Step 6: Final answer
    x = 226,810.41

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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.