Finding the Fourth Proportional to 362,071.80, 543,107.70 and 338,743.80
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Solution
The fourth proportional to 362,071.80, 543,107.70 and 338,743.80 is: 508,115.70
Step by Step Solution
- Step 1: Write the proportion equation
362,071.80 : 543,107.70 = 338,743.80 : x - Step 2: Convert to fraction form
362,071.80/543,107.70 = 338,743.80/x - Step 3: Cross multiply
362,071.80x = 543,107.70 × 338,743.80 - Step 4: Simplify right side
362,071.80x = 183,974,366,107.26 - Step 5: Solve for x
x = 183,974,366,107.26/362,071.80 - Step 6: Final answer
x = 508,115.70
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1.5x scale
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.