Finding the Fourth Proportional to 372,942.03, 514,660.05 and 203,175.75
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Solution
The fourth proportional to 372,942.03, 514,660.05 and 203,175.75 is: 280,382.56
Step by Step Solution
- Step 1: Write the proportion equation
372,942.03 : 514,660.05 = 203,175.75 : x - Step 2: Convert to fraction form
372,942.03/514,660.05 = 203,175.75/x - Step 3: Cross multiply
372,942.03x = 514,660.05 × 203,175.75 - Step 4: Simplify right side
372,942.03x = 104,566,441,653.79 - Step 5: Solve for x
x = 104,566,441,653.79/372,942.03 - Step 6: Final answer
x = 280,382.56
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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.