Home / 319,537.08-442,825.26-315,027

Finding the Fourth Proportional to 319,537.08, 442,825.26 and 315,027

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Solution

The fourth proportional to 319,537.08, 442,825.26 and 315,027 is: 436,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,537.08 : 442,825.26 = 315,027 : x
  2. Step 2: Convert to fraction form
    319,537.08/442,825.26 = 315,027/x
  3. Step 3: Cross multiply
    319,537.08x = 442,825.26 × 315,027
  4. Step 4: Simplify right side
    319,537.08x = 139,501,913,182.02
  5. Step 5: Solve for x
    x = 139,501,913,182.02/319,537.08
  6. Step 6: Final answer
    x = 436,575.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.