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Finding the Fourth Proportional to 398,028.83, 549,194.09 and 236,852.39

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Solution

The fourth proportional to 398,028.83, 549,194.09 and 236,852.39 is: 326,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,028.83 : 549,194.09 = 236,852.39 : x
  2. Step 2: Convert to fraction form
    398,028.83/549,194.09 = 236,852.39/x
  3. Step 3: Cross multiply
    398,028.83x = 549,194.09 × 236,852.39
  4. Step 4: Simplify right side
    398,028.83x = 130,077,934,755.49
  5. Step 5: Solve for x
    x = 130,077,934,755.49/398,028.83
  6. Step 6: Final answer
    x = 326,805.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.