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Finding the Fourth Proportional to 336,495.60, 505,180.80 and 270,010.80

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Solution

The fourth proportional to 336,495.60, 505,180.80 and 270,010.80 is: 405,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,495.60 : 505,180.80 = 270,010.80 : x
  2. Step 2: Convert to fraction form
    336,495.60/505,180.80 = 270,010.80/x
  3. Step 3: Cross multiply
    336,495.60x = 505,180.80 × 270,010.80
  4. Step 4: Simplify right side
    336,495.60x = 136,404,271,952.64
  5. Step 5: Solve for x
    x = 136,404,271,952.64/336,495.60
  6. Step 6: Final answer
    x = 405,367.18

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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.