Home / 285,157.46-393,536.34-164,306.58

Finding the Fourth Proportional to 285,157.46, 393,536.34 and 164,306.58

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Solution

The fourth proportional to 285,157.46, 393,536.34 and 164,306.58 is: 226,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,157.46 : 393,536.34 = 164,306.58 : x
  2. Step 2: Convert to fraction form
    285,157.46/393,536.34 = 164,306.58/x
  3. Step 3: Cross multiply
    285,157.46x = 393,536.34 × 164,306.58
  4. Step 4: Simplify right side
    285,157.46x = 64,660,608,655.36
  5. Step 5: Solve for x
    x = 64,660,608,655.36/285,157.46
  6. Step 6: Final answer
    x = 226,754.05

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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.