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Finding the Fourth Proportional to 275,614.60, 380,246.10 and 173,612.68

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Solution

The fourth proportional to 275,614.60, 380,246.10 and 173,612.68 is: 239,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,614.60 : 380,246.10 = 173,612.68 : x
  2. Step 2: Convert to fraction form
    275,614.60/380,246.10 = 173,612.68/x
  3. Step 3: Cross multiply
    275,614.60x = 380,246.10 × 173,612.68
  4. Step 4: Simplify right side
    275,614.60x = 66,015,544,480.55
  5. Step 5: Solve for x
    x = 66,015,544,480.55/275,614.60
  6. Step 6: Final answer
    x = 239,521.22

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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.