Finding the Fourth Proportional to 298,812.79, 412,349.61 and 162,843.83
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Solution
The fourth proportional to 298,812.79, 412,349.61 and 162,843.83 is: 224,717.92
Step by Step Solution
- Step 1: Write the proportion equation
298,812.79 : 412,349.61 = 162,843.83 : x - Step 2: Convert to fraction form
298,812.79/412,349.61 = 162,843.83/x - Step 3: Cross multiply
298,812.79x = 412,349.61 × 162,843.83 - Step 4: Simplify right side
298,812.79x = 67,148,589,791.41 - Step 5: Solve for x
x = 67,148,589,791.41/298,812.79 - Step 6: Final answer
x = 224,717.92
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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.