Home / 331,020.78-496,142.36-153,152.07

Finding the Fourth Proportional to 331,020.78, 496,142.36 and 153,152.07

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Solution

The fourth proportional to 331,020.78, 496,142.36 and 153,152.07 is: 229,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.78 : 496,142.36 = 153,152.07 : x
  2. Step 2: Convert to fraction form
    331,020.78/496,142.36 = 153,152.07/x
  3. Step 3: Cross multiply
    331,020.78x = 496,142.36 × 153,152.07
  4. Step 4: Simplify right side
    331,020.78x = 75,985,229,448.69
  5. Step 5: Solve for x
    x = 75,985,229,448.69/331,020.78
  6. Step 6: Final answer
    x = 229,548.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.