Home / 321,515.08-482,174.10-222,312.76

Finding the Fourth Proportional to 321,515.08, 482,174.10 and 222,312.76

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Solution

The fourth proportional to 321,515.08, 482,174.10 and 222,312.76 is: 333,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,515.08 : 482,174.10 = 222,312.76 : x
  2. Step 2: Convert to fraction form
    321,515.08/482,174.10 = 222,312.76/x
  3. Step 3: Cross multiply
    321,515.08x = 482,174.10 × 222,312.76
  4. Step 4: Simplify right side
    321,515.08x = 107,193,452,560.65
  5. Step 5: Solve for x
    x = 107,193,452,560.65/321,515.08
  6. Step 6: Final answer
    x = 333,401.02

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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.