Home / 331,013.90-496,132.02-153,145.22

Finding the Fourth Proportional to 331,013.90, 496,132.02 and 153,145.22

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Solution

The fourth proportional to 331,013.90, 496,132.02 and 153,145.22 is: 229,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,013.90 : 496,132.02 = 153,145.22 : x
  2. Step 2: Convert to fraction form
    331,013.90/496,132.02 = 153,145.22/x
  3. Step 3: Cross multiply
    331,013.90x = 496,132.02 × 153,145.22
  4. Step 4: Simplify right side
    331,013.90x = 75,980,247,351.94
  5. Step 5: Solve for x
    x = 75,980,247,351.94/331,013.90
  6. Step 6: Final answer
    x = 229,537.94

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1.5x scale

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.