Finding the Fourth Proportional to 294,916.82, 442,302.32 and 126,418.05
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Solution
The fourth proportional to 294,916.82, 442,302.32 and 126,418.05 is: 189,595.82
Step by Step Solution
- Step 1: Write the proportion equation
294,916.82 : 442,302.32 = 126,418.05 : x - Step 2: Convert to fraction form
294,916.82/442,302.32 = 126,418.05/x - Step 3: Cross multiply
294,916.82x = 442,302.32 × 126,418.05 - Step 4: Simplify right side
294,916.82x = 55,914,996,172.79 - Step 5: Solve for x
x = 55,914,996,172.79/294,916.82 - Step 6: Final answer
x = 189,595.82
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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.