Finding the Fourth Proportional to 341,703.63, 512,596.49 and 142,159.05
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Solution
The fourth proportional to 341,703.63, 512,596.49 and 142,159.05 is: 213,255.65
Step by Step Solution
- Step 1: Write the proportion equation
341,703.63 : 512,596.49 = 142,159.05 : x - Step 2: Convert to fraction form
341,703.63/512,596.49 = 142,159.05/x - Step 3: Cross multiply
341,703.63x = 512,596.49 × 142,159.05 - Step 4: Simplify right side
341,703.63x = 72,870,229,340.94 - Step 5: Solve for x
x = 72,870,229,340.94/341,703.63 - Step 6: Final answer
x = 213,255.65
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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.