Finding the Fourth Proportional to 657,629.19, 986,472.49 and 208,383.17
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Solution
The fourth proportional to 657,629.19, 986,472.49 and 208,383.17 is: 312,583.85
Step by Step Solution
- Step 1: Write the proportion equation
657,629.19 : 986,472.49 = 208,383.17 : x - Step 2: Convert to fraction form
657,629.19/986,472.49 = 208,383.17/x - Step 3: Cross multiply
657,629.19x = 986,472.49 × 208,383.17 - Step 4: Simplify right side
657,629.19x = 205,564,264,122.63 - Step 5: Solve for x
x = 205,564,264,122.63/657,629.19 - Step 6: Final answer
x = 312,583.85
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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.