Finding the Fourth Proportional to 751,998.11, 1,127,917.20 and 212,241.04
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Solution
The fourth proportional to 751,998.11, 1,127,917.20 and 212,241.04 is: 318,338.99
Step by Step Solution
- Step 1: Write the proportion equation
751,998.11 : 1,127,917.20 = 212,241.04 : x - Step 2: Convert to fraction form
751,998.11/1,127,917.20 = 212,241.04/x - Step 3: Cross multiply
751,998.11x = 1,127,917.20 × 212,241.04 - Step 4: Simplify right side
751,998.11x = 239,390,319,561.89 - Step 5: Solve for x
x = 239,390,319,561.89/751,998.11 - Step 6: Final answer
x = 318,338.99
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1.5x scale
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.