Finding the Fourth Proportional to 159,858.93, 220,605.35 and 88,238.97
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Solution
The fourth proportional to 159,858.93, 220,605.35 and 88,238.97 is: 121,769.79
Step by Step Solution
- Step 1: Write the proportion equation
159,858.93 : 220,605.35 = 88,238.97 : x - Step 2: Convert to fraction form
159,858.93/220,605.35 = 88,238.97/x - Step 3: Cross multiply
159,858.93x = 220,605.35 × 88,238.97 - Step 4: Simplify right side
159,858.93x = 19,465,988,419.29 - Step 5: Solve for x
x = 19,465,988,419.29/159,858.93 - Step 6: Final answer
x = 121,769.79
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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.