Finding the Fourth Proportional to 159,334.26, 219,880.08 and 87,715.50
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Solution
The fourth proportional to 159,334.26, 219,880.08 and 87,715.50 is: 121,046.73
Step by Step Solution
- Step 1: Write the proportion equation
159,334.26 : 219,880.08 = 87,715.50 : x - Step 2: Convert to fraction form
159,334.26/219,880.08 = 87,715.50/x - Step 3: Cross multiply
159,334.26x = 219,880.08 × 87,715.50 - Step 4: Simplify right side
159,334.26x = 19,286,891,157.24 - Step 5: Solve for x
x = 19,286,891,157.24/159,334.26 - Step 6: Final answer
x = 121,046.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.