Finding the Fourth Proportional to 173,668.70, 260,503.05 and 84,979.10
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Solution
The fourth proportional to 173,668.70, 260,503.05 and 84,979.10 is: 127,468.65
Step by Step Solution
- Step 1: Write the proportion equation
173,668.70 : 260,503.05 = 84,979.10 : x - Step 2: Convert to fraction form
173,668.70/260,503.05 = 84,979.10/x - Step 3: Cross multiply
173,668.70x = 260,503.05 × 84,979.10 - Step 4: Simplify right side
173,668.70x = 22,137,314,736.26 - Step 5: Solve for x
x = 22,137,314,736.26/173,668.70 - Step 6: Final answer
x = 127,468.65
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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.