Finding the Fourth Proportional to 154,808.20, 232,212.30 and 49,637.80
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Solution
The fourth proportional to 154,808.20, 232,212.30 and 49,637.80 is: 74,456.70
Step by Step Solution
- Step 1: Write the proportion equation
154,808.20 : 232,212.30 = 49,637.80 : x - Step 2: Convert to fraction form
154,808.20/232,212.30 = 49,637.80/x - Step 3: Cross multiply
154,808.20x = 232,212.30 × 49,637.80 - Step 4: Simplify right side
154,808.20x = 11,526,507,704.94 - Step 5: Solve for x
x = 11,526,507,704.94/154,808.20 - Step 6: Final answer
x = 74,456.70
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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.