Finding the Fourth Proportional to 178,813.19, 246,766.55 and 98,245.94
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Solution
The fourth proportional to 178,813.19, 246,766.55 and 98,245.94 is: 135,581.78
Step by Step Solution
- Step 1: Write the proportion equation
178,813.19 : 246,766.55 = 98,245.94 : x - Step 2: Convert to fraction form
178,813.19/246,766.55 = 98,245.94/x - Step 3: Cross multiply
178,813.19x = 246,766.55 × 98,245.94 - Step 4: Simplify right side
178,813.19x = 24,243,809,940.24 - Step 5: Solve for x
x = 24,243,809,940.24/178,813.19 - Step 6: Final answer
x = 135,581.78
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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.