Home / 272,582.72-376,164.11-151,721.40

Finding the Fourth Proportional to 272,582.72, 376,164.11 and 151,721.40

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Solution

The fourth proportional to 272,582.72, 376,164.11 and 151,721.40 is: 209,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,582.72 : 376,164.11 = 151,721.40 : x
  2. Step 2: Convert to fraction form
    272,582.72/376,164.11 = 151,721.40/x
  3. Step 3: Cross multiply
    272,582.72x = 376,164.11 × 151,721.40
  4. Step 4: Simplify right side
    272,582.72x = 57,072,145,398.95
  5. Step 5: Solve for x
    x = 57,072,145,398.95/272,582.72
  6. Step 6: Final answer
    x = 209,375.51

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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.