Finding the Fourth Proportional to 124,455.75, 186,702.35 and 40,187.67
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Solution
The fourth proportional to 124,455.75, 186,702.35 and 40,187.67 is: 60,287.55
Step by Step Solution
- Step 1: Write the proportion equation
124,455.75 : 186,702.35 = 40,187.67 : x - Step 2: Convert to fraction form
124,455.75/186,702.35 = 40,187.67/x - Step 3: Cross multiply
124,455.75x = 186,702.35 × 40,187.67 - Step 4: Simplify right side
124,455.75x = 7,503,132,229.09 - Step 5: Solve for x
x = 7,503,132,229.09/124,455.75 - Step 6: Final answer
x = 60,287.55
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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.