Finding the Fourth Proportional to 338,945.36, 467,812.68 and 195,728.72
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Solution
The fourth proportional to 338,945.36, 467,812.68 and 195,728.72 is: 270,144.95
Step by Step Solution
- Step 1: Write the proportion equation
338,945.36 : 467,812.68 = 195,728.72 : x - Step 2: Convert to fraction form
338,945.36/467,812.68 = 195,728.72/x - Step 3: Cross multiply
338,945.36x = 467,812.68 × 195,728.72 - Step 4: Simplify right side
338,945.36x = 91,564,377,056.17 - Step 5: Solve for x
x = 91,564,377,056.17/338,945.36 - Step 6: Final answer
x = 270,144.95
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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.