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Finding the Fourth Proportional to 488,561.10, 732,817.35 and 251,927.70

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Solution

The fourth proportional to 488,561.10, 732,817.35 and 251,927.70 is: 377,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,561.10 : 732,817.35 = 251,927.70 : x
  2. Step 2: Convert to fraction form
    488,561.10/732,817.35 = 251,927.70/x
  3. Step 3: Cross multiply
    488,561.10x = 732,817.35 × 251,927.70
  4. Step 4: Simplify right side
    488,561.10x = 184,616,989,505.60
  5. Step 5: Solve for x
    x = 184,616,989,505.60/488,561.10
  6. Step 6: Final answer
    x = 377,879.02

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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.