Finding the Fourth Proportional to 159,645.24, 220,311.99 and 88,028.10
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Solution
The fourth proportional to 159,645.24, 220,311.99 and 88,028.10 is: 121,479.64
Step by Step Solution
- Step 1: Write the proportion equation
159,645.24 : 220,311.99 = 88,028.10 : x - Step 2: Convert to fraction form
159,645.24/220,311.99 = 88,028.10/x - Step 3: Cross multiply
159,645.24x = 220,311.99 × 88,028.10 - Step 4: Simplify right side
159,645.24x = 19,393,645,886.92 - Step 5: Solve for x
x = 19,393,645,886.92/159,645.24 - Step 6: Final answer
x = 121,479.64
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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.