Finding the Fourth Proportional to 178,766.13, 246,636.75 and 102,230.70
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Solution
The fourth proportional to 178,766.13, 246,636.75 and 102,230.70 is: 141,043.76
Step by Step Solution
- Step 1: Write the proportion equation
178,766.13 : 246,636.75 = 102,230.70 : x - Step 2: Convert to fraction form
178,766.13/246,636.75 = 102,230.70/x - Step 3: Cross multiply
178,766.13x = 246,636.75 × 102,230.70 - Step 4: Simplify right side
178,766.13x = 25,213,847,598.23 - Step 5: Solve for x
x = 25,213,847,598.23/178,766.13 - Step 6: Final answer
x = 141,043.76
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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.