Home / 221,017.89-331,249.32-94,509.57

Finding the Fourth Proportional to 221,017.89, 331,249.32 and 94,509.57

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Solution

The fourth proportional to 221,017.89, 331,249.32 and 94,509.57 is: 141,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,017.89 : 331,249.32 = 94,509.57 : x
  2. Step 2: Convert to fraction form
    221,017.89/331,249.32 = 94,509.57/x
  3. Step 3: Cross multiply
    221,017.89x = 331,249.32 × 94,509.57
  4. Step 4: Simplify right side
    221,017.89x = 31,306,230,795.99
  5. Step 5: Solve for x
    x = 31,306,230,795.99/221,017.89
  6. Step 6: Final answer
    x = 141,645.69

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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.