Finding the Fourth Proportional to 670,819.47, 1,006,236.23 and 197,513.79
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Solution
The fourth proportional to 670,819.47, 1,006,236.23 and 197,513.79 is: 296,272.75
Step by Step Solution
- Step 1: Write the proportion equation
670,819.47 : 1,006,236.23 = 197,513.79 : x - Step 2: Convert to fraction form
670,819.47/1,006,236.23 = 197,513.79/x - Step 3: Cross multiply
670,819.47x = 1,006,236.23 × 197,513.79 - Step 4: Simplify right side
670,819.47x = 198,745,530,435.04 - Step 5: Solve for x
x = 198,745,530,435.04/670,819.47 - Step 6: Final answer
x = 296,272.75
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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.