Home / 331,235.02-496,860.69-120,872.89

Finding the Fourth Proportional to 331,235.02, 496,860.69 and 120,872.89

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Solution

The fourth proportional to 331,235.02, 496,860.69 and 120,872.89 is: 181,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,235.02 : 496,860.69 = 120,872.89 : x
  2. Step 2: Convert to fraction form
    331,235.02/496,860.69 = 120,872.89/x
  3. Step 3: Cross multiply
    331,235.02x = 496,860.69 × 120,872.89
  4. Step 4: Simplify right side
    331,235.02x = 60,056,987,527.69
  5. Step 5: Solve for x
    x = 60,056,987,527.69/331,235.02
  6. Step 6: Final answer
    x = 181,312.31

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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.