Finding the Fourth Proportional to 432,771.08, 649,096.13 and 148,456.98
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Solution
The fourth proportional to 432,771.08, 649,096.13 and 148,456.98 is: 222,664.72
Step by Step Solution
- Step 1: Write the proportion equation
432,771.08 : 649,096.13 = 148,456.98 : x - Step 2: Convert to fraction form
432,771.08/649,096.13 = 148,456.98/x - Step 3: Cross multiply
432,771.08x = 649,096.13 × 148,456.98 - Step 4: Simplify right side
432,771.08x = 96,362,849,735.05 - Step 5: Solve for x
x = 96,362,849,735.05/432,771.08 - Step 6: Final answer
x = 222,664.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.