Finding the Fourth Proportional to 401,378.83, 601,646.79 and 135,046.88
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Solution
The fourth proportional to 401,378.83, 601,646.79 and 135,046.88 is: 202,428.52
Step by Step Solution
- Step 1: Write the proportion equation
401,378.83 : 601,646.79 = 135,046.88 : x - Step 2: Convert to fraction form
401,378.83/601,646.79 = 135,046.88/x - Step 3: Cross multiply
401,378.83x = 601,646.79 × 135,046.88 - Step 4: Simplify right side
401,378.83x = 81,250,520,846.24 - Step 5: Solve for x
x = 81,250,520,846.24/401,378.83 - Step 6: Final answer
x = 202,428.52
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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.