Home / 331,002.90-496,115.55-153,134.19

Finding the Fourth Proportional to 331,002.90, 496,115.55 and 153,134.19

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Solution

The fourth proportional to 331,002.90, 496,115.55 and 153,134.19 is: 229,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,002.90 : 496,115.55 = 153,134.19 : x
  2. Step 2: Convert to fraction form
    331,002.90/496,115.55 = 153,134.19/x
  3. Step 3: Cross multiply
    331,002.90x = 496,115.55 × 153,134.19
  4. Step 4: Simplify right side
    331,002.90x = 75,972,252,895.65
  5. Step 5: Solve for x
    x = 75,972,252,895.65/331,002.90
  6. Step 6: Final answer
    x = 229,521.41

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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.