Finding the Fourth Proportional to 132,203.70, 198,232.65 and 53,228.70
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Solution
The fourth proportional to 132,203.70, 198,232.65 and 53,228.70 is: 79,813.70
Step by Step Solution
- Step 1: Write the proportion equation
132,203.70 : 198,232.65 = 53,228.70 : x - Step 2: Convert to fraction form
132,203.70/198,232.65 = 53,228.70/x - Step 3: Cross multiply
132,203.70x = 198,232.65 × 53,228.70 - Step 4: Simplify right side
132,203.70x = 10,551,666,257.06 - Step 5: Solve for x
x = 10,551,666,257.06/132,203.70 - Step 6: Final answer
x = 79,813.70
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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.