Finding the Fourth Proportional to 401,347.05, 601,806.74 and 135,019.05
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Solution
The fourth proportional to 401,347.05, 601,806.74 and 135,019.05 is: 202,456.64
Step by Step Solution
- Step 1: Write the proportion equation
401,347.05 : 601,806.74 = 135,019.05 : x - Step 2: Convert to fraction form
401,347.05/601,806.74 = 135,019.05/x - Step 3: Cross multiply
401,347.05x = 601,806.74 × 135,019.05 - Step 4: Simplify right side
401,347.05x = 81,255,373,643.30 - Step 5: Solve for x
x = 81,255,373,643.30/401,347.05 - Step 6: Final answer
x = 202,456.64
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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.