Home / 272,727.65-376,390.31-151,868.90

Finding the Fourth Proportional to 272,727.65, 376,390.31 and 151,868.90

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Solution

The fourth proportional to 272,727.65, 376,390.31 and 151,868.90 is: 209,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,727.65 : 376,390.31 = 151,868.90 : x
  2. Step 2: Convert to fraction form
    272,727.65/376,390.31 = 151,868.90/x
  3. Step 3: Cross multiply
    272,727.65x = 376,390.31 × 151,868.90
  4. Step 4: Simplify right side
    272,727.65x = 57,161,979,709.06
  5. Step 5: Solve for x
    x = 57,161,979,709.06/272,727.65
  6. Step 6: Final answer
    x = 209,593.64

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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.