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Finding the Fourth Proportional to 488,116.80, 732,539.70 and 251,337.60

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Solution

The fourth proportional to 488,116.80, 732,539.70 and 251,337.60 is: 377,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,116.80 : 732,539.70 = 251,337.60 : x
  2. Step 2: Convert to fraction form
    488,116.80/732,539.70 = 251,337.60/x
  3. Step 3: Cross multiply
    488,116.80x = 732,539.70 × 251,337.60
  4. Step 4: Simplify right side
    488,116.80x = 184,114,770,102.72
  5. Step 5: Solve for x
    x = 184,114,770,102.72/488,116.80
  6. Step 6: Final answer
    x = 377,194.09

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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.