Finding the Fourth Proportional to 305,554.38, 458,343.99 and 145,548.06
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Solution
The fourth proportional to 305,554.38, 458,343.99 and 145,548.06 is: 218,328.01
Step by Step Solution
- Step 1: Write the proportion equation
305,554.38 : 458,343.99 = 145,548.06 : x - Step 2: Convert to fraction form
305,554.38/458,343.99 = 145,548.06/x - Step 3: Cross multiply
305,554.38x = 458,343.99 × 145,548.06 - Step 4: Simplify right side
305,554.38x = 66,711,078,557.16 - Step 5: Solve for x
x = 66,711,078,557.16/305,554.38 - Step 6: Final answer
x = 218,328.01
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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.