Finding the Fourth Proportional to 178,635.88, 246,520.36 and 98,070.75
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Solution
The fourth proportional to 178,635.88, 246,520.36 and 98,070.75 is: 135,339.20
Step by Step Solution
- Step 1: Write the proportion equation
178,635.88 : 246,520.36 = 98,070.75 : x - Step 2: Convert to fraction form
178,635.88/246,520.36 = 98,070.75/x - Step 3: Cross multiply
178,635.88x = 246,520.36 × 98,070.75 - Step 4: Simplify right side
178,635.88x = 24,176,436,718.06 - Step 5: Solve for x
x = 24,176,436,718.06/178,635.88 - Step 6: Final answer
x = 135,339.20
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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.