Home / 339,068.28-466,847.34-287,971.32

Finding the Fourth Proportional to 339,068.28, 466,847.34 and 287,971.32

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Solution

The fourth proportional to 339,068.28, 466,847.34 and 287,971.32 is: 396,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,068.28 : 466,847.34 = 287,971.32 : x
  2. Step 2: Convert to fraction form
    339,068.28/466,847.34 = 287,971.32/x
  3. Step 3: Cross multiply
    339,068.28x = 466,847.34 × 287,971.32
  4. Step 4: Simplify right side
    339,068.28x = 134,438,644,738.29
  5. Step 5: Solve for x
    x = 134,438,644,738.29/339,068.28
  6. Step 6: Final answer
    x = 396,494.31

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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.