Finding the Fourth Proportional to 276,918.48, 382,147.02 and 149,593.68
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Solution
The fourth proportional to 276,918.48, 382,147.02 and 149,593.68 is: 206,439.02
Step by Step Solution
- Step 1: Write the proportion equation
276,918.48 : 382,147.02 = 149,593.68 : x - Step 2: Convert to fraction form
276,918.48/382,147.02 = 149,593.68/x - Step 3: Cross multiply
276,918.48x = 382,147.02 × 149,593.68 - Step 4: Simplify right side
276,918.48x = 57,166,779,022.83 - Step 5: Solve for x
x = 57,166,779,022.83/276,918.48 - Step 6: Final answer
x = 206,439.02
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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.