Home / 377,175.64-520,516.50-226,243.48

Finding the Fourth Proportional to 377,175.64, 520,516.50 and 226,243.48

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Solution

The fourth proportional to 377,175.64, 520,516.50 and 226,243.48 is: 312,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,175.64 : 520,516.50 = 226,243.48 : x
  2. Step 2: Convert to fraction form
    377,175.64/520,516.50 = 226,243.48/x
  3. Step 3: Cross multiply
    377,175.64x = 520,516.50 × 226,243.48
  4. Step 4: Simplify right side
    377,175.64x = 117,763,464,357.42
  5. Step 5: Solve for x
    x = 117,763,464,357.42/377,175.64
  6. Step 6: Final answer
    x = 312,224.47

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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.