Finding the Fourth Proportional to 538,006.20, 804,935.70 and 351,382.20
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Solution
The fourth proportional to 538,006.20, 804,935.70 and 351,382.20 is: 525,718.99
Step by Step Solution
- Step 1: Write the proportion equation
538,006.20 : 804,935.70 = 351,382.20 : x - Step 2: Convert to fraction form
538,006.20/804,935.70 = 351,382.20/x - Step 3: Cross multiply
538,006.20x = 804,935.70 × 351,382.20 - Step 4: Simplify right side
538,006.20x = 282,840,077,124.54 - Step 5: Solve for x
x = 282,840,077,124.54/538,006.20 - Step 6: Final answer
x = 525,718.99
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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.