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Finding the Fourth Proportional to 250,453.20, 375,803.08 and 117,310.44

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Solution

The fourth proportional to 250,453.20, 375,803.08 and 117,310.44 is: 176,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,453.20 : 375,803.08 = 117,310.44 : x
  2. Step 2: Convert to fraction form
    250,453.20/375,803.08 = 117,310.44/x
  3. Step 3: Cross multiply
    250,453.20x = 375,803.08 × 117,310.44
  4. Step 4: Simplify right side
    250,453.20x = 44,085,624,668.16
  5. Step 5: Solve for x
    x = 44,085,624,668.16/250,453.20
  6. Step 6: Final answer
    x = 176,023.40

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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.