Finding the Fourth Proportional to 362,331.20, 543,590.76 and 137,695.52
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Solution
The fourth proportional to 362,331.20, 543,590.76 and 137,695.52 is: 206,578.99
Step by Step Solution
- Step 1: Write the proportion equation
362,331.20 : 543,590.76 = 137,695.52 : x - Step 2: Convert to fraction form
362,331.20/543,590.76 = 137,695.52/x - Step 3: Cross multiply
362,331.20x = 543,590.76 × 137,695.52 - Step 4: Simplify right side
362,331.20x = 74,850,012,365.40 - Step 5: Solve for x
x = 74,850,012,365.40/362,331.20 - Step 6: Final answer
x = 206,578.99
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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.