Finding the Fourth Proportional to 401,629.92, 602,444.94 and 135,368.20
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Solution
The fourth proportional to 401,629.92, 602,444.94 and 135,368.20 is: 203,052.32
Step by Step Solution
- Step 1: Write the proportion equation
401,629.92 : 602,444.94 = 135,368.20 : x - Step 2: Convert to fraction form
401,629.92/602,444.94 = 135,368.20/x - Step 3: Cross multiply
401,629.92x = 602,444.94 × 135,368.20 - Step 4: Simplify right side
401,629.92x = 81,551,887,126.91 - Step 5: Solve for x
x = 81,551,887,126.91/401,629.92 - Step 6: Final answer
x = 203,052.32
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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.