Finding the Fourth Proportional to 159,991.24, 220,782.18 and 88,367.56
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Solution
The fourth proportional to 159,991.24, 220,782.18 and 88,367.56 is: 121,944.07
Step by Step Solution
- Step 1: Write the proportion equation
159,991.24 : 220,782.18 = 88,367.56 : x - Step 2: Convert to fraction form
159,991.24/220,782.18 = 88,367.56/x - Step 3: Cross multiply
159,991.24x = 220,782.18 × 88,367.56 - Step 4: Simplify right side
159,991.24x = 19,509,982,538.08 - Step 5: Solve for x
x = 19,509,982,538.08/159,991.24 - Step 6: Final answer
x = 121,944.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.