Finding the Fourth Proportional to 777,104.06, 1,165,721.72 and 216,138.56
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Solution
The fourth proportional to 777,104.06, 1,165,721.72 and 216,138.56 is: 324,226.09
Step by Step Solution
- Step 1: Write the proportion equation
777,104.06 : 1,165,721.72 = 216,138.56 : x - Step 2: Convert to fraction form
777,104.06/1,165,721.72 = 216,138.56/x - Step 3: Cross multiply
777,104.06x = 1,165,721.72 × 216,138.56 - Step 4: Simplify right side
777,104.06x = 251,957,413,921.52 - Step 5: Solve for x
x = 251,957,413,921.52/777,104.06 - Step 6: Final answer
x = 324,226.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.