Finding the Fourth Proportional to 751,974.22, 1,128,027.81 and 212,235.31
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Solution
The fourth proportional to 751,974.22, 1,128,027.81 and 212,235.31 is: 318,371.73
Step by Step Solution
- Step 1: Write the proportion equation
751,974.22 : 1,128,027.81 = 212,235.31 : x - Step 2: Convert to fraction form
751,974.22/1,128,027.81 = 212,235.31/x - Step 3: Cross multiply
751,974.22x = 1,128,027.81 × 212,235.31 - Step 4: Simplify right side
751,974.22x = 239,407,331,943.97 - Step 5: Solve for x
x = 239,407,331,943.97/751,974.22 - Step 6: Final answer
x = 318,371.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.