Home / 331,430.12-496,218.72-179,081.36

Finding the Fourth Proportional to 331,430.12, 496,218.72 and 179,081.36

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Solution

The fourth proportional to 331,430.12, 496,218.72 and 179,081.36 is: 268,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,430.12 : 496,218.72 = 179,081.36 : x
  2. Step 2: Convert to fraction form
    331,430.12/496,218.72 = 179,081.36/x
  3. Step 3: Cross multiply
    331,430.12x = 496,218.72 × 179,081.36
  4. Step 4: Simplify right side
    331,430.12x = 88,863,523,235.06
  5. Step 5: Solve for x
    x = 88,863,523,235.06/331,430.12
  6. Step 6: Final answer
    x = 268,121.45

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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.