Home / 279,669.16-385,942.80-152,344.44

Finding the Fourth Proportional to 279,669.16, 385,942.80 and 152,344.44

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Solution

The fourth proportional to 279,669.16, 385,942.80 and 152,344.44 is: 210,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,669.16 : 385,942.80 = 152,344.44 : x
  2. Step 2: Convert to fraction form
    279,669.16/385,942.80 = 152,344.44/x
  3. Step 3: Cross multiply
    279,669.16x = 385,942.80 × 152,344.44
  4. Step 4: Simplify right side
    279,669.16x = 58,796,239,738.03
  5. Step 5: Solve for x
    x = 58,796,239,738.03/279,669.16
  6. Step 6: Final answer
    x = 210,234.98

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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.