Finding the Fourth Proportional to 282,581.36, 389,961.96 and 155,256.64
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Solution
The fourth proportional to 282,581.36, 389,961.96 and 155,256.64 is: 214,253.99
Step by Step Solution
- Step 1: Write the proportion equation
282,581.36 : 389,961.96 = 155,256.64 : x - Step 2: Convert to fraction form
282,581.36/389,961.96 = 155,256.64/x - Step 3: Cross multiply
282,581.36x = 389,961.96 × 155,256.64 - Step 4: Simplify right side
282,581.36x = 60,544,183,637.41 - Step 5: Solve for x
x = 60,544,183,637.41/282,581.36 - Step 6: Final answer
x = 214,253.99
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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.