Finding the Fourth Proportional to 132,434.94, 198,647.95 and 57,555.09
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Solution
The fourth proportional to 132,434.94, 198,647.95 and 57,555.09 is: 86,330.70
Step by Step Solution
- Step 1: Write the proportion equation
132,434.94 : 198,647.95 = 57,555.09 : x - Step 2: Convert to fraction form
132,434.94/198,647.95 = 57,555.09/x - Step 3: Cross multiply
132,434.94x = 198,647.95 × 57,555.09 - Step 4: Simplify right side
132,434.94x = 11,433,201,104.97 - Step 5: Solve for x
x = 11,433,201,104.97/132,434.94 - Step 6: Final answer
x = 86,330.70
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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.