Home / 339,975.10-510,025.72-112,286.49

Finding the Fourth Proportional to 339,975.10, 510,025.72 and 112,286.49

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Solution

The fourth proportional to 339,975.10, 510,025.72 and 112,286.49 is: 168,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,975.10 : 510,025.72 = 112,286.49 : x
  2. Step 2: Convert to fraction form
    339,975.10/510,025.72 = 112,286.49/x
  3. Step 3: Cross multiply
    339,975.10x = 510,025.72 × 112,286.49
  4. Step 4: Simplify right side
    339,975.10x = 57,268,997,908.52
  5. Step 5: Solve for x
    x = 57,268,997,908.52/339,975.10
  6. Step 6: Final answer
    x = 168,450.57

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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.