Finding the Fourth Proportional to 159,477.18, 220,075.74 and 87,863.82
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Solution
The fourth proportional to 159,477.18, 220,075.74 and 87,863.82 is: 121,250.55
Step by Step Solution
- Step 1: Write the proportion equation
159,477.18 : 220,075.74 = 87,863.82 : x - Step 2: Convert to fraction form
159,477.18/220,075.74 = 87,863.82/x - Step 3: Cross multiply
159,477.18x = 220,075.74 × 87,863.82 - Step 4: Simplify right side
159,477.18x = 19,336,695,205.73 - Step 5: Solve for x
x = 19,336,695,205.73/159,477.18 - Step 6: Final answer
x = 121,250.55
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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.