Home / 279,091.23-385,156.04-159,882.27

Finding the Fourth Proportional to 279,091.23, 385,156.04 and 159,882.27

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Solution

The fourth proportional to 279,091.23, 385,156.04 and 159,882.27 is: 220,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,091.23 : 385,156.04 = 159,882.27 : x
  2. Step 2: Convert to fraction form
    279,091.23/385,156.04 = 159,882.27/x
  3. Step 3: Cross multiply
    279,091.23x = 385,156.04 × 159,882.27
  4. Step 4: Simplify right side
    279,091.23x = 61,579,621,180.00
  5. Step 5: Solve for x
    x = 61,579,621,180.00/279,091.23
  6. Step 6: Final answer
    x = 220,643.34

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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.