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Finding the Fourth Proportional to 293,632.64, 405,247.04 and 275,617.28

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Solution

The fourth proportional to 293,632.64, 405,247.04 and 275,617.28 is: 380,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,632.64 : 405,247.04 = 275,617.28 : x
  2. Step 2: Convert to fraction form
    293,632.64/405,247.04 = 275,617.28/x
  3. Step 3: Cross multiply
    293,632.64x = 405,247.04 × 275,617.28
  4. Step 4: Simplify right side
    293,632.64x = 111,693,086,892.85
  5. Step 5: Solve for x
    x = 111,693,086,892.85/293,632.64
  6. Step 6: Final answer
    x = 380,383.76

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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.