Finding the Fourth Proportional to 159,082.18, 219,527.76 and 87,461.68
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Solution
The fourth proportional to 159,082.18, 219,527.76 and 87,461.68 is: 120,694.01
Step by Step Solution
- Step 1: Write the proportion equation
159,082.18 : 219,527.76 = 87,461.68 : x - Step 2: Convert to fraction form
159,082.18/219,527.76 = 87,461.68/x - Step 3: Cross multiply
159,082.18x = 219,527.76 × 87,461.68 - Step 4: Simplify right side
159,082.18x = 19,200,266,696.24 - Step 5: Solve for x
x = 19,200,266,696.24/159,082.18 - Step 6: Final answer
x = 120,694.01
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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.