Finding the Fourth Proportional to 159,855.95, 220,601.23 and 88,235.99
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Solution
The fourth proportional to 159,855.95, 220,601.23 and 88,235.99 is: 121,765.68
Step by Step Solution
- Step 1: Write the proportion equation
159,855.95 : 220,601.23 = 88,235.99 : x - Step 2: Convert to fraction form
159,855.95/220,601.23 = 88,235.99/x - Step 3: Cross multiply
159,855.95x = 220,601.23 × 88,235.99 - Step 4: Simplify right side
159,855.95x = 19,464,968,255.18 - Step 5: Solve for x
x = 19,464,968,255.18/159,855.95 - Step 6: Final answer
x = 121,765.68
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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.