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Finding the Fourth Proportional to 337,082.94, 505,626.36 and 112,442.82

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Solution

The fourth proportional to 337,082.94, 505,626.36 and 112,442.82 is: 168,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,082.94 : 505,626.36 = 112,442.82 : x
  2. Step 2: Convert to fraction form
    337,082.94/505,626.36 = 112,442.82/x
  3. Step 3: Cross multiply
    337,082.94x = 505,626.36 × 112,442.82
  4. Step 4: Simplify right side
    337,082.94x = 56,854,053,784.74
  5. Step 5: Solve for x
    x = 56,854,053,784.74/337,082.94
  6. Step 6: Final answer
    x = 168,664.88

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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.