Finding the Fourth Proportional to 578,563.26, 867,313.19 and 199,393.94
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Solution
The fourth proportional to 578,563.26, 867,313.19 and 199,393.94 is: 298,907.66
Step by Step Solution
- Step 1: Write the proportion equation
578,563.26 : 867,313.19 = 199,393.94 : x - Step 2: Convert to fraction form
578,563.26/867,313.19 = 199,393.94/x - Step 3: Cross multiply
578,563.26x = 867,313.19 × 199,393.94 - Step 4: Simplify right side
578,563.26x = 172,936,990,329.99 - Step 5: Solve for x
x = 172,936,990,329.99/578,563.26 - Step 6: Final answer
x = 298,907.66
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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.