Home / 272,721.20-376,407.84-165,350.04

Finding the Fourth Proportional to 272,721.20, 376,407.84 and 165,350.04

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Solution

The fourth proportional to 272,721.20, 376,407.84 and 165,350.04 is: 228,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,721.20 : 376,407.84 = 165,350.04 : x
  2. Step 2: Convert to fraction form
    272,721.20/376,407.84 = 165,350.04/x
  3. Step 3: Cross multiply
    272,721.20x = 376,407.84 × 165,350.04
  4. Step 4: Simplify right side
    272,721.20x = 62,239,051,400.31
  5. Step 5: Solve for x
    x = 62,239,051,400.31/272,721.20
  6. Step 6: Final answer
    x = 228,214.94

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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.