Home / 481,939.88-722,946.16-162,092.64

Finding the Fourth Proportional to 481,939.88, 722,946.16 and 162,092.64

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Solution

The fourth proportional to 481,939.88, 722,946.16 and 162,092.64 is: 243,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,939.88 : 722,946.16 = 162,092.64 : x
  2. Step 2: Convert to fraction form
    481,939.88/722,946.16 = 162,092.64/x
  3. Step 3: Cross multiply
    481,939.88x = 722,946.16 × 162,092.64
  4. Step 4: Simplify right side
    481,939.88x = 117,184,254,565.93
  5. Step 5: Solve for x
    x = 117,184,254,565.93/481,939.88
  6. Step 6: Final answer
    x = 243,151.19

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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.