Finding the Fourth Proportional to 178,085.08, 245,757.84 and 97,517.92
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Solution
The fourth proportional to 178,085.08, 245,757.84 and 97,517.92 is: 134,574.96
Step by Step Solution
- Step 1: Write the proportion equation
178,085.08 : 245,757.84 = 97,517.92 : x - Step 2: Convert to fraction form
178,085.08/245,757.84 = 97,517.92/x - Step 3: Cross multiply
178,085.08x = 245,757.84 × 97,517.92 - Step 4: Simplify right side
178,085.08x = 23,965,793,380.49 - Step 5: Solve for x
x = 23,965,793,380.49/178,085.08 - Step 6: Final answer
x = 134,574.96
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1.5x scale
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.