Finding the Fourth Proportional to 155,082.18, 214,094.68 and 104,361.60
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Solution
The fourth proportional to 155,082.18, 214,094.68 and 104,361.60 is: 144,073.70
Step by Step Solution
- Step 1: Write the proportion equation
155,082.18 : 214,094.68 = 104,361.60 : x - Step 2: Convert to fraction form
155,082.18/214,094.68 = 104,361.60/x - Step 3: Cross multiply
155,082.18x = 214,094.68 × 104,361.60 - Step 4: Simplify right side
155,082.18x = 22,343,263,356.29 - Step 5: Solve for x
x = 22,343,263,356.29/155,082.18 - Step 6: Final answer
x = 144,073.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.