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Finding the Fourth Proportional to 290,704.80, 436,114.80 and 244,279.20

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Solution

The fourth proportional to 290,704.80, 436,114.80 and 244,279.20 is: 366,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,704.80 : 436,114.80 = 244,279.20 : x
  2. Step 2: Convert to fraction form
    290,704.80/436,114.80 = 244,279.20/x
  3. Step 3: Cross multiply
    290,704.80x = 436,114.80 × 244,279.20
  4. Step 4: Simplify right side
    290,704.80x = 106,533,774,452.16
  5. Step 5: Solve for x
    x = 106,533,774,452.16/290,704.80
  6. Step 6: Final answer
    x = 366,467.20

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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.