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Finding the Fourth Proportional to 339,626.35, 469,095.41 and 247,599.89

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Solution

The fourth proportional to 339,626.35, 469,095.41 and 247,599.89 is: 341,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,626.35 : 469,095.41 = 247,599.89 : x
  2. Step 2: Convert to fraction form
    339,626.35/469,095.41 = 247,599.89/x
  3. Step 3: Cross multiply
    339,626.35x = 469,095.41 × 247,599.89
  4. Step 4: Simplify right side
    339,626.35x = 116,147,973,707.24
  5. Step 5: Solve for x
    x = 116,147,973,707.24/339,626.35
  6. Step 6: Final answer
    x = 341,987.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.