Finding the Fourth Proportional to 168,653.18, 252,979.76 and 63,495.74
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Solution
The fourth proportional to 168,653.18, 252,979.76 and 63,495.74 is: 95,243.60
Step by Step Solution
- Step 1: Write the proportion equation
168,653.18 : 252,979.76 = 63,495.74 : x - Step 2: Convert to fraction form
168,653.18/252,979.76 = 63,495.74/x - Step 3: Cross multiply
168,653.18x = 252,979.76 × 63,495.74 - Step 4: Simplify right side
168,653.18x = 16,063,135,960.06 - Step 5: Solve for x
x = 16,063,135,960.06/168,653.18 - Step 6: Final answer
x = 95,243.60
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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.