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Finding the Fourth Proportional to 250,522.34, 375,912.70 and 117,416.12

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Solution

The fourth proportional to 250,522.34, 375,912.70 and 117,416.12 is: 176,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,522.34 : 375,912.70 = 117,416.12 : x
  2. Step 2: Convert to fraction form
    250,522.34/375,912.70 = 117,416.12/x
  3. Step 3: Cross multiply
    250,522.34x = 375,912.70 × 117,416.12
  4. Step 4: Simplify right side
    250,522.34x = 44,138,208,519.62
  5. Step 5: Solve for x
    x = 44,138,208,519.62/250,522.34
  6. Step 6: Final answer
    x = 176,184.72

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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.