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Finding the Fourth Proportional to 285,150.06, 393,605.40 and 164,339.58

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Solution

The fourth proportional to 285,150.06, 393,605.40 and 164,339.58 is: 226,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,150.06 : 393,605.40 = 164,339.58 : x
  2. Step 2: Convert to fraction form
    285,150.06/393,605.40 = 164,339.58/x
  3. Step 3: Cross multiply
    285,150.06x = 393,605.40 × 164,339.58
  4. Step 4: Simplify right side
    285,150.06x = 64,684,946,121.73
  5. Step 5: Solve for x
    x = 64,684,946,121.73/285,150.06
  6. Step 6: Final answer
    x = 226,845.28

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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.