Finding the Fourth Proportional to 203,888.68, 305,487.90 and 124,837.84
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Solution
The fourth proportional to 203,888.68, 305,487.90 and 124,837.84 is: 187,045.45
Step by Step Solution
- Step 1: Write the proportion equation
203,888.68 : 305,487.90 = 124,837.84 : x - Step 2: Convert to fraction form
203,888.68/305,487.90 = 124,837.84/x - Step 3: Cross multiply
203,888.68x = 305,487.90 × 124,837.84 - Step 4: Simplify right side
203,888.68x = 38,136,449,582.14 - Step 5: Solve for x
x = 38,136,449,582.14/203,888.68 - Step 6: Final answer
x = 187,045.45
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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.