Home / 331,011.90-496,129.02-153,143.22

Finding the Fourth Proportional to 331,011.90, 496,129.02 and 153,143.22

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Solution

The fourth proportional to 331,011.90, 496,129.02 and 153,143.22 is: 229,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,011.90 : 496,129.02 = 153,143.22 : x
  2. Step 2: Convert to fraction form
    331,011.90/496,129.02 = 153,143.22/x
  3. Step 3: Cross multiply
    331,011.90x = 496,129.02 × 153,143.22
  4. Step 4: Simplify right side
    331,011.90x = 75,978,795,658.24
  5. Step 5: Solve for x
    x = 75,978,795,658.24/331,011.90
  6. Step 6: Final answer
    x = 229,534.94

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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.