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Finding the Fourth Proportional to 574,495.86, 862,137.57 and 200,518.86

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Solution

The fourth proportional to 574,495.86, 862,137.57 and 200,518.86 is: 300,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,495.86 : 862,137.57 = 200,518.86 : x
  2. Step 2: Convert to fraction form
    574,495.86/862,137.57 = 200,518.86/x
  3. Step 3: Cross multiply
    574,495.86x = 862,137.57 × 200,518.86
  4. Step 4: Simplify right side
    574,495.86x = 172,874,842,699.57
  5. Step 5: Solve for x
    x = 172,874,842,699.57/574,495.86
  6. Step 6: Final answer
    x = 300,915.73

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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.