Finding the Fourth Proportional to 745,414.20, 1,118,121.30 and 184,448.70
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Solution
The fourth proportional to 745,414.20, 1,118,121.30 and 184,448.70 is: 276,673.05
Step by Step Solution
- Step 1: Write the proportion equation
745,414.20 : 1,118,121.30 = 184,448.70 : x - Step 2: Convert to fraction form
745,414.20/1,118,121.30 = 184,448.70/x - Step 3: Cross multiply
745,414.20x = 1,118,121.30 × 184,448.70 - Step 4: Simplify right side
745,414.20x = 206,236,020,227.31 - Step 5: Solve for x
x = 206,236,020,227.31/745,414.20 - Step 6: Final answer
x = 276,673.05
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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.