Finding the Fourth Proportional to 268,977.75, 402,342.94 and 189,010.09
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Solution
The fourth proportional to 268,977.75, 402,342.94 and 189,010.09 is: 282,725.52
Step by Step Solution
- Step 1: Write the proportion equation
268,977.75 : 402,342.94 = 189,010.09 : x - Step 2: Convert to fraction form
268,977.75/402,342.94 = 189,010.09/x - Step 3: Cross multiply
268,977.75x = 402,342.94 × 189,010.09 - Step 4: Simplify right side
268,977.75x = 76,046,875,300.26 - Step 5: Solve for x
x = 76,046,875,300.26/268,977.75 - Step 6: Final answer
x = 282,725.52
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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.