Finding the Fourth Proportional to 159,955.24, 220,741.68 and 88,339.84
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Solution
The fourth proportional to 159,955.24, 220,741.68 and 88,339.84 is: 121,910.88
Step by Step Solution
- Step 1: Write the proportion equation
159,955.24 : 220,741.68 = 88,339.84 : x - Step 2: Convert to fraction form
159,955.24/220,741.68 = 88,339.84/x - Step 3: Cross multiply
159,955.24x = 220,741.68 × 88,339.84 - Step 4: Simplify right side
159,955.24x = 19,500,284,692.53 - Step 5: Solve for x
x = 19,500,284,692.53/159,955.24 - Step 6: Final answer
x = 121,910.88
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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.