Home / 272,592.91-376,189.32-151,726.54

Finding the Fourth Proportional to 272,592.91, 376,189.32 and 151,726.54

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Solution

The fourth proportional to 272,592.91, 376,189.32 and 151,726.54 is: 209,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,592.91 : 376,189.32 = 151,726.54 : x
  2. Step 2: Convert to fraction form
    272,592.91/376,189.32 = 151,726.54/x
  3. Step 3: Cross multiply
    272,592.91x = 376,189.32 × 151,726.54
  4. Step 4: Simplify right side
    272,592.91x = 57,077,903,908.55
  5. Step 5: Solve for x
    x = 57,077,903,908.55/272,592.91
  6. Step 6: Final answer
    x = 209,388.81

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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.