Home / 251,638.72-377,829.87-167,920.36

Finding the Fourth Proportional to 251,638.72, 377,829.87 and 167,920.36

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Solution

The fourth proportional to 251,638.72, 377,829.87 and 167,920.36 is: 252,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,638.72 : 377,829.87 = 167,920.36 : x
  2. Step 2: Convert to fraction form
    251,638.72/377,829.87 = 167,920.36/x
  3. Step 3: Cross multiply
    251,638.72x = 377,829.87 × 167,920.36
  4. Step 4: Simplify right side
    251,638.72x = 63,445,327,789.15
  5. Step 5: Solve for x
    x = 63,445,327,789.15/251,638.72
  6. Step 6: Final answer
    x = 252,128.64

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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.