Home / 627,949.96-942,176.48-228,618.36

Finding the Fourth Proportional to 627,949.96, 942,176.48 and 228,618.36

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Solution

The fourth proportional to 627,949.96, 942,176.48 and 228,618.36 is: 343,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,949.96 : 942,176.48 = 228,618.36 : x
  2. Step 2: Convert to fraction form
    627,949.96/942,176.48 = 228,618.36/x
  3. Step 3: Cross multiply
    627,949.96x = 942,176.48 × 228,618.36
  4. Step 4: Simplify right side
    627,949.96x = 215,398,841,688.17
  5. Step 5: Solve for x
    x = 215,398,841,688.17/627,949.96
  6. Step 6: Final answer
    x = 343,019.12

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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.