Finding the Fourth Proportional to 886,938.70, 1,330,408.05 and 222,090.70
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Solution
The fourth proportional to 886,938.70, 1,330,408.05 and 222,090.70 is: 333,136.05
Step by Step Solution
- Step 1: Write the proportion equation
886,938.70 : 1,330,408.05 = 222,090.70 : x - Step 2: Convert to fraction form
886,938.70/1,330,408.05 = 222,090.70/x - Step 3: Cross multiply
886,938.70x = 1,330,408.05 × 222,090.70 - Step 4: Simplify right side
886,938.70x = 295,471,255,110.14 - Step 5: Solve for x
x = 295,471,255,110.14/886,938.70 - Step 6: Final answer
x = 333,136.05
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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.