Finding the Fourth Proportional to 132,239.24, 198,371.28 and 43,492.94
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Solution
The fourth proportional to 132,239.24, 198,371.28 and 43,492.94 is: 65,243.49
Step by Step Solution
- Step 1: Write the proportion equation
132,239.24 : 198,371.28 = 43,492.94 : x - Step 2: Convert to fraction form
132,239.24/198,371.28 = 43,492.94/x - Step 3: Cross multiply
132,239.24x = 198,371.28 × 43,492.94 - Step 4: Simplify right side
132,239.24x = 8,627,750,178.76 - Step 5: Solve for x
x = 8,627,750,178.76/132,239.24 - Step 6: Final answer
x = 65,243.49
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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.