Finding the Fourth Proportional to 178,403.08, 246,194.22 and 102,949.96
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Solution
The fourth proportional to 178,403.08, 246,194.22 and 102,949.96 is: 142,069.77
Step by Step Solution
- Step 1: Write the proportion equation
178,403.08 : 246,194.22 = 102,949.96 : x - Step 2: Convert to fraction form
178,403.08/246,194.22 = 102,949.96/x - Step 3: Cross multiply
178,403.08x = 246,194.22 × 102,949.96 - Step 4: Simplify right side
178,403.08x = 25,345,685,101.23 - Step 5: Solve for x
x = 25,345,685,101.23/178,403.08 - Step 6: Final answer
x = 142,069.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.