Home / 272,541.78-376,118.52-151,688.16

Finding the Fourth Proportional to 272,541.78, 376,118.52 and 151,688.16

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Solution

The fourth proportional to 272,541.78, 376,118.52 and 151,688.16 is: 209,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,541.78 : 376,118.52 = 151,688.16 : x
  2. Step 2: Convert to fraction form
    272,541.78/376,118.52 = 151,688.16/x
  3. Step 3: Cross multiply
    272,541.78x = 376,118.52 × 151,688.16
  4. Step 4: Simplify right side
    272,541.78x = 57,052,726,240.72
  5. Step 5: Solve for x
    x = 57,052,726,240.72/272,541.78
  6. Step 6: Final answer
    x = 209,335.71

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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.