Finding the Fourth Proportional to 168,211.80, 252,317.70 and 149,512.95
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Solution
The fourth proportional to 168,211.80, 252,317.70 and 149,512.95 is: 224,269.43
Step by Step Solution
- Step 1: Write the proportion equation
168,211.80 : 252,317.70 = 149,512.95 : x - Step 2: Convert to fraction form
168,211.80/252,317.70 = 149,512.95/x - Step 3: Cross multiply
168,211.80x = 252,317.70 × 149,512.95 - Step 4: Simplify right side
168,211.80x = 37,724,763,664.22 - Step 5: Solve for x
x = 37,724,763,664.22/168,211.80 - Step 6: Final answer
x = 224,269.43
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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.