Finding the Fourth Proportional to 219,813.60, 303,343.12 and 119,211.68
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Solution
The fourth proportional to 219,813.60, 303,343.12 and 119,211.68 is: 164,512.31
Step by Step Solution
- Step 1: Write the proportion equation
219,813.60 : 303,343.12 = 119,211.68 : x - Step 2: Convert to fraction form
219,813.60/303,343.12 = 119,211.68/x - Step 3: Cross multiply
219,813.60x = 303,343.12 × 119,211.68 - Step 4: Simplify right side
219,813.60x = 36,162,042,951.64 - Step 5: Solve for x
x = 36,162,042,951.64/219,813.60 - Step 6: Final answer
x = 164,512.31
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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.