Home / 397,893.43-549,031.26-228,094.75

Finding the Fourth Proportional to 397,893.43, 549,031.26 and 228,094.75

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Solution

The fourth proportional to 397,893.43, 549,031.26 and 228,094.75 is: 314,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,893.43 : 549,031.26 = 228,094.75 : x
  2. Step 2: Convert to fraction form
    397,893.43/549,031.26 = 228,094.75/x
  3. Step 3: Cross multiply
    397,893.43x = 549,031.26 × 228,094.75
  4. Step 4: Simplify right side
    397,893.43x = 125,231,147,991.89
  5. Step 5: Solve for x
    x = 125,231,147,991.89/397,893.43
  6. Step 6: Final answer
    x = 314,735.40

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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.