Finding the Fourth Proportional to 298,585.43, 412,050.53 and 162,619.97
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Solution
The fourth proportional to 298,585.43, 412,050.53 and 162,619.97 is: 224,416.99
Step by Step Solution
- Step 1: Write the proportion equation
298,585.43 : 412,050.53 = 162,619.97 : x - Step 2: Convert to fraction form
298,585.43/412,050.53 = 162,619.97/x - Step 3: Cross multiply
298,585.43x = 412,050.53 × 162,619.97 - Step 4: Simplify right side
298,585.43x = 67,007,644,827.08 - Step 5: Solve for x
x = 67,007,644,827.08/298,585.43 - Step 6: Final answer
x = 224,416.99
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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.