Finding the Fourth Proportional to 401,330.49, 601,988.84 and 135,090.98
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Solution
The fourth proportional to 401,330.49, 601,988.84 and 135,090.98 is: 202,634.15
Step by Step Solution
- Step 1: Write the proportion equation
401,330.49 : 601,988.84 = 135,090.98 : x - Step 2: Convert to fraction form
401,330.49/601,988.84 = 135,090.98/x - Step 3: Cross multiply
401,330.49x = 601,988.84 × 135,090.98 - Step 4: Simplify right side
401,330.49x = 81,323,262,344.66 - Step 5: Solve for x
x = 81,323,262,344.66/401,330.49 - Step 6: Final answer
x = 202,634.15
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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.