Finding the Fourth Proportional to 401,272.63, 601,987.62 and 148,555.06
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Solution
The fourth proportional to 401,272.63, 601,987.62 and 148,555.06 is: 222,861.72
Step by Step Solution
- Step 1: Write the proportion equation
401,272.63 : 601,987.62 = 148,555.06 : x - Step 2: Convert to fraction form
401,272.63/601,987.62 = 148,555.06/x - Step 3: Cross multiply
401,272.63x = 601,987.62 × 148,555.06 - Step 4: Simplify right side
401,272.63x = 89,428,309,028.84 - Step 5: Solve for x
x = 89,428,309,028.84/401,272.63 - Step 6: Final answer
x = 222,861.72
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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.