Finding the Fourth Proportional to 321,784.62, 444,062.84 and 178,545.68
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Solution
The fourth proportional to 321,784.62, 444,062.84 and 178,545.68 is: 246,393.07
Step by Step Solution
- Step 1: Write the proportion equation
321,784.62 : 444,062.84 = 178,545.68 : x - Step 2: Convert to fraction form
321,784.62/444,062.84 = 178,545.68/x - Step 3: Cross multiply
321,784.62x = 444,062.84 × 178,545.68 - Step 4: Simplify right side
321,784.62x = 79,285,501,730.53 - Step 5: Solve for x
x = 79,285,501,730.53/321,784.62 - Step 6: Final answer
x = 246,393.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.