Finding the Fourth Proportional to 282,825.14, 389,916.65 and 192,023.46
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Solution
The fourth proportional to 282,825.14, 389,916.65 and 192,023.46 is: 264,732.99
Step by Step Solution
- Step 1: Write the proportion equation
282,825.14 : 389,916.65 = 192,023.46 : x - Step 2: Convert to fraction form
282,825.14/389,916.65 = 192,023.46/x - Step 3: Cross multiply
282,825.14x = 389,916.65 × 192,023.46 - Step 4: Simplify right side
282,825.14x = 74,873,144,724.67 - Step 5: Solve for x
x = 74,873,144,724.67/282,825.14 - Step 6: Final answer
x = 264,732.99
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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.