Finding the Fourth Proportional to 147,893.36, 204,129.12 and 84,268.76
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Solution
The fourth proportional to 147,893.36, 204,129.12 and 84,268.76 is: 116,311.56
Step by Step Solution
- Step 1: Write the proportion equation
147,893.36 : 204,129.12 = 84,268.76 : x - Step 2: Convert to fraction form
147,893.36/204,129.12 = 84,268.76/x - Step 3: Cross multiply
147,893.36x = 204,129.12 × 84,268.76 - Step 4: Simplify right side
147,893.36x = 17,201,707,822.29 - Step 5: Solve for x
x = 17,201,707,822.29/147,893.36 - Step 6: Final answer
x = 116,311.56
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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.