Finding the Fourth Proportional to 168,861.43, 252,959.29 and 137,307.12
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Solution
The fourth proportional to 168,861.43, 252,959.29 and 137,307.12 is: 205,690.02
Step by Step Solution
- Step 1: Write the proportion equation
168,861.43 : 252,959.29 = 137,307.12 : x - Step 2: Convert to fraction form
168,861.43/252,959.29 = 137,307.12/x - Step 3: Cross multiply
168,861.43x = 252,959.29 × 137,307.12 - Step 4: Simplify right side
168,861.43x = 34,733,111,587.14 - Step 5: Solve for x
x = 34,733,111,587.14/168,861.43 - Step 6: Final answer
x = 205,690.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.