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Finding the Fourth Proportional to 358,375.66, 494,352.69 and 224,006.38

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Solution

The fourth proportional to 358,375.66, 494,352.69 and 224,006.38 is: 309,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,375.66 : 494,352.69 = 224,006.38 : x
  2. Step 2: Convert to fraction form
    358,375.66/494,352.69 = 224,006.38/x
  3. Step 3: Cross multiply
    358,375.66x = 494,352.69 × 224,006.38
  4. Step 4: Simplify right side
    358,375.66x = 110,738,156,530.16
  5. Step 5: Solve for x
    x = 110,738,156,530.16/358,375.66
  6. Step 6: Final answer
    x = 309,000.22

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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.