Finding the Fourth Proportional to 77,245.03, 115,846.62 and 27,318.52
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Solution
The fourth proportional to 77,245.03, 115,846.62 and 27,318.52 is: 40,970.38
Step by Step Solution
- Step 1: Write the proportion equation
77,245.03 : 115,846.62 = 27,318.52 : x - Step 2: Convert to fraction form
77,245.03/115,846.62 = 27,318.52/x - Step 3: Cross multiply
77,245.03x = 115,846.62 × 27,318.52 - Step 4: Simplify right side
77,245.03x = 3,164,758,205.40 - Step 5: Solve for x
x = 3,164,758,205.40/77,245.03 - Step 6: Final answer
x = 40,970.38
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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.