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Finding the Fourth Proportional to 255,753, 352,939.14 and 142,583.04

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Solution

The fourth proportional to 255,753, 352,939.14 and 142,583.04 is: 196,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,753 : 352,939.14 = 142,583.04 : x
  2. Step 2: Convert to fraction form
    255,753/352,939.14 = 142,583.04/x
  3. Step 3: Cross multiply
    255,753x = 352,939.14 × 142,583.04
  4. Step 4: Simplify right side
    255,753x = 50,323,135,516.19
  5. Step 5: Solve for x
    x = 50,323,135,516.19/255,753
  6. Step 6: Final answer
    x = 196,764.60

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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.