Home / 272,811.30-376,498.54-165,385.86

Finding the Fourth Proportional to 272,811.30, 376,498.54 and 165,385.86

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Solution

The fourth proportional to 272,811.30, 376,498.54 and 165,385.86 is: 228,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,811.30 : 376,498.54 = 165,385.86 : x
  2. Step 2: Convert to fraction form
    272,811.30/376,498.54 = 165,385.86/x
  3. Step 3: Cross multiply
    272,811.30x = 376,498.54 × 165,385.86
  4. Step 4: Simplify right side
    272,811.30x = 62,267,534,826.64
  5. Step 5: Solve for x
    x = 62,267,534,826.64/272,811.30
  6. Step 6: Final answer
    x = 228,243.97

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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.