Finding the Fourth Proportional to 160,488.97, 221,474.64 and 88,868.99
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Solution
The fourth proportional to 160,488.97, 221,474.64 and 88,868.99 is: 122,639.12
Step by Step Solution
- Step 1: Write the proportion equation
160,488.97 : 221,474.64 = 88,868.99 : x - Step 2: Convert to fraction form
160,488.97/221,474.64 = 88,868.99/x - Step 3: Cross multiply
160,488.97x = 221,474.64 × 88,868.99 - Step 4: Simplify right side
160,488.97x = 19,682,226,015.70 - Step 5: Solve for x
x = 19,682,226,015.70/160,488.97 - Step 6: Final answer
x = 122,639.12
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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.