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Finding the Fourth Proportional to 344,840.22, 475,768.62 and 208,830.60

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Solution

The fourth proportional to 344,840.22, 475,768.62 and 208,830.60 is: 288,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,840.22 : 475,768.62 = 208,830.60 : x
  2. Step 2: Convert to fraction form
    344,840.22/475,768.62 = 208,830.60/x
  3. Step 3: Cross multiply
    344,840.22x = 475,768.62 × 208,830.60
  4. Step 4: Simplify right side
    344,840.22x = 99,355,046,375.77
  5. Step 5: Solve for x
    x = 99,355,046,375.77/344,840.22
  6. Step 6: Final answer
    x = 288,119.08

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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.