Home / 342,067.10-472,068.36-206,145.05

Finding the Fourth Proportional to 342,067.10, 472,068.36 and 206,145.05

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Solution

The fourth proportional to 342,067.10, 472,068.36 and 206,145.05 is: 284,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,067.10 : 472,068.36 = 206,145.05 : x
  2. Step 2: Convert to fraction form
    342,067.10/472,068.36 = 206,145.05/x
  3. Step 3: Cross multiply
    342,067.10x = 472,068.36 × 206,145.05
  4. Step 4: Simplify right side
    342,067.10x = 97,314,553,315.28
  5. Step 5: Solve for x
    x = 97,314,553,315.28/342,067.10
  6. Step 6: Final answer
    x = 284,489.67

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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.