Home / 331,020.42-496,604.47-120,658.36

Finding the Fourth Proportional to 331,020.42, 496,604.47 and 120,658.36

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Solution

The fourth proportional to 331,020.42, 496,604.47 and 120,658.36 is: 181,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.42 : 496,604.47 = 120,658.36 : x
  2. Step 2: Convert to fraction form
    331,020.42/496,604.47 = 120,658.36/x
  3. Step 3: Cross multiply
    331,020.42x = 496,604.47 × 120,658.36
  4. Step 4: Simplify right side
    331,020.42x = 59,919,480,533.08
  5. Step 5: Solve for x
    x = 59,919,480,533.08/331,020.42
  6. Step 6: Final answer
    x = 181,014.45

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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.