Finding the Fourth Proportional to 132,098.97, 182,316.60 and 84,384.12
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Solution
The fourth proportional to 132,098.97, 182,316.60 and 84,384.12 is: 116,462.88
Step by Step Solution
- Step 1: Write the proportion equation
132,098.97 : 182,316.60 = 84,384.12 : x - Step 2: Convert to fraction form
132,098.97/182,316.60 = 84,384.12/x - Step 3: Cross multiply
132,098.97x = 182,316.60 × 84,384.12 - Step 4: Simplify right side
132,098.97x = 15,384,625,852.39 - Step 5: Solve for x
x = 15,384,625,852.39/132,098.97 - Step 6: Final answer
x = 116,462.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.