Finding the Fourth Proportional to 234,988.02, 352,366.26 and 85,205.82
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Solution
The fourth proportional to 234,988.02, 352,366.26 and 85,205.82 is: 127,766.75
Step by Step Solution
- Step 1: Write the proportion equation
234,988.02 : 352,366.26 = 85,205.82 : x - Step 2: Convert to fraction form
234,988.02/352,366.26 = 85,205.82/x - Step 3: Cross multiply
234,988.02x = 352,366.26 × 85,205.82 - Step 4: Simplify right side
234,988.02x = 30,023,656,123.63 - Step 5: Solve for x
x = 30,023,656,123.63/234,988.02 - Step 6: Final answer
x = 127,766.75
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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.