Finding the Fourth Proportional to 294,279.09, 441,422.70 and 83,916.99
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Solution
The fourth proportional to 294,279.09, 441,422.70 and 83,916.99 is: 125,876.64
Step by Step Solution
- Step 1: Write the proportion equation
294,279.09 : 441,422.70 = 83,916.99 : x - Step 2: Convert to fraction form
294,279.09/441,422.70 = 83,916.99/x - Step 3: Cross multiply
294,279.09x = 441,422.70 × 83,916.99 - Step 4: Simplify right side
294,279.09x = 37,042,864,301.67 - Step 5: Solve for x
x = 37,042,864,301.67/294,279.09 - Step 6: Final answer
x = 125,876.64
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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.