Home / 264,015.72-364,401.18-221,500.44

Finding the Fourth Proportional to 264,015.72, 364,401.18 and 221,500.44

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Solution

The fourth proportional to 264,015.72, 364,401.18 and 221,500.44 is: 305,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,015.72 : 364,401.18 = 221,500.44 : x
  2. Step 2: Convert to fraction form
    264,015.72/364,401.18 = 221,500.44/x
  3. Step 3: Cross multiply
    264,015.72x = 364,401.18 × 221,500.44
  4. Step 4: Simplify right side
    264,015.72x = 80,715,021,706.52
  5. Step 5: Solve for x
    x = 80,715,021,706.52/264,015.72
  6. Step 6: Final answer
    x = 305,720.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.