Finding the Fourth Proportional to 298,894.14, 412,471.22 and 162,928.08
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Solution
The fourth proportional to 298,894.14, 412,471.22 and 162,928.08 is: 224,839.28
Step by Step Solution
- Step 1: Write the proportion equation
298,894.14 : 412,471.22 = 162,928.08 : x - Step 2: Convert to fraction form
298,894.14/412,471.22 = 162,928.08/x - Step 3: Cross multiply
298,894.14x = 412,471.22 × 162,928.08 - Step 4: Simplify right side
298,894.14x = 67,203,143,115.22 - Step 5: Solve for x
x = 67,203,143,115.22/298,894.14 - Step 6: Final answer
x = 224,839.28
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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.