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Finding the Fourth Proportional to 347,657.80, 488,120.60 and 347,657.80

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Solution

The fourth proportional to 347,657.80, 488,120.60 and 347,657.80 is: 488,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,657.80 : 488,120.60 = 347,657.80 : x
  2. Step 2: Convert to fraction form
    347,657.80/488,120.60 = 347,657.80/x
  3. Step 3: Cross multiply
    347,657.80x = 488,120.60 × 347,657.80
  4. Step 4: Simplify right side
    347,657.80x = 169,698,933,930.68
  5. Step 5: Solve for x
    x = 169,698,933,930.68/347,657.80
  6. Step 6: Final answer
    x = 488,120.60

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.