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Finding the Fourth Proportional to 440,505, 607,845.33 and 259,177.05

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Solution

The fourth proportional to 440,505, 607,845.33 and 259,177.05 is: 357,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,505 : 607,845.33 = 259,177.05 : x
  2. Step 2: Convert to fraction form
    440,505/607,845.33 = 259,177.05/x
  3. Step 3: Cross multiply
    440,505x = 607,845.33 × 259,177.05
  4. Step 4: Simplify right side
    440,505x = 157,539,559,485.68
  5. Step 5: Solve for x
    x = 157,539,559,485.68/440,505
  6. Step 6: Final answer
    x = 357,633.99

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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.