Home / 285,384.82-393,830.04-164,525.52

Finding the Fourth Proportional to 285,384.82, 393,830.04 and 164,525.52

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Solution

The fourth proportional to 285,384.82, 393,830.04 and 164,525.52 is: 227,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,384.82 : 393,830.04 = 164,525.52 : x
  2. Step 2: Convert to fraction form
    285,384.82/393,830.04 = 164,525.52/x
  3. Step 3: Cross multiply
    285,384.82x = 393,830.04 × 164,525.52
  4. Step 4: Simplify right side
    285,384.82x = 64,795,092,122.62
  5. Step 5: Solve for x
    x = 64,795,092,122.62/285,384.82
  6. Step 6: Final answer
    x = 227,044.63

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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.