Finding the Fourth Proportional to 344,366.49, 515,690.65 and 217,624.37
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Solution
The fourth proportional to 344,366.49, 515,690.65 and 217,624.37 is: 325,893.65
Step by Step Solution
- Step 1: Write the proportion equation
344,366.49 : 515,690.65 = 217,624.37 : x - Step 2: Convert to fraction form
344,366.49/515,690.65 = 217,624.37/x - Step 3: Cross multiply
344,366.49x = 515,690.65 × 217,624.37 - Step 4: Simplify right side
344,366.49x = 112,226,853,566.31 - Step 5: Solve for x
x = 112,226,853,566.31/344,366.49 - Step 6: Final answer
x = 325,893.65
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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.