Finding the Fourth Proportional to 401,272.24, 601,986.99 and 148,554.80
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Solution
The fourth proportional to 401,272.24, 601,986.99 and 148,554.80 is: 222,861.31
Step by Step Solution
- Step 1: Write the proportion equation
401,272.24 : 601,986.99 = 148,554.80 : x - Step 2: Convert to fraction form
401,272.24/601,986.99 = 148,554.80/x - Step 3: Cross multiply
401,272.24x = 601,986.99 × 148,554.80 - Step 4: Simplify right side
401,272.24x = 89,428,056,902.05 - Step 5: Solve for x
x = 89,428,056,902.05/401,272.24 - Step 6: Final answer
x = 222,861.31
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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.