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Finding the Fourth Proportional to 337,190.70, 505,457.30 and 134,726.46

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Solution

The fourth proportional to 337,190.70, 505,457.30 and 134,726.46 is: 201,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,190.70 : 505,457.30 = 134,726.46 : x
  2. Step 2: Convert to fraction form
    337,190.70/505,457.30 = 134,726.46/x
  3. Step 3: Cross multiply
    337,190.70x = 505,457.30 × 134,726.46
  4. Step 4: Simplify right side
    337,190.70x = 68,098,472,710.16
  5. Step 5: Solve for x
    x = 68,098,472,710.16/337,190.70
  6. Step 6: Final answer
    x = 201,958.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.