Finding the Fourth Proportional to 171,419.36, 236,572.11 and 98,845.58
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Solution
The fourth proportional to 171,419.36, 236,572.11 and 98,845.58 is: 136,414.63
Step by Step Solution
- Step 1: Write the proportion equation
171,419.36 : 236,572.11 = 98,845.58 : x - Step 2: Convert to fraction form
171,419.36/236,572.11 = 98,845.58/x - Step 3: Cross multiply
171,419.36x = 236,572.11 × 98,845.58 - Step 4: Simplify right side
171,419.36x = 23,384,108,016.20 - Step 5: Solve for x
x = 23,384,108,016.20/171,419.36 - Step 6: Final answer
x = 136,414.63
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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.