Finding the Fourth Proportional to 159,791.03, 220,511.36 and 88,170.99
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Solution
The fourth proportional to 159,791.03, 220,511.36 and 88,170.99 is: 121,675.82
Step by Step Solution
- Step 1: Write the proportion equation
159,791.03 : 220,511.36 = 88,170.99 : x - Step 2: Convert to fraction form
159,791.03/220,511.36 = 88,170.99/x - Step 3: Cross multiply
159,791.03x = 220,511.36 × 88,170.99 - Step 4: Simplify right side
159,791.03x = 19,442,704,476.59 - Step 5: Solve for x
x = 19,442,704,476.59/159,791.03 - Step 6: Final answer
x = 121,675.82
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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.