Finding the Fourth Proportional to 442,082.12, 663,252.58 and 142,556.68
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Solution
The fourth proportional to 442,082.12, 663,252.58 and 142,556.68 is: 213,876.75
Step by Step Solution
- Step 1: Write the proportion equation
442,082.12 : 663,252.58 = 142,556.68 : x - Step 2: Convert to fraction form
442,082.12/663,252.58 = 142,556.68/x - Step 3: Cross multiply
442,082.12x = 663,252.58 × 142,556.68 - Step 4: Simplify right side
442,082.12x = 94,551,085,806.23 - Step 5: Solve for x
x = 94,551,085,806.23/442,082.12 - Step 6: Final answer
x = 213,876.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.