Finding the Fourth Proportional to 77,257.87, 115,895.99 and 27,327.76
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Solution
The fourth proportional to 77,257.87, 115,895.99 and 27,327.76 is: 40,994.89
Step by Step Solution
- Step 1: Write the proportion equation
77,257.87 : 115,895.99 = 27,327.76 : x - Step 2: Convert to fraction form
77,257.87/115,895.99 = 27,327.76/x - Step 3: Cross multiply
77,257.87x = 115,895.99 × 27,327.76 - Step 4: Simplify right side
77,257.87x = 3,167,177,578.26 - Step 5: Solve for x
x = 3,167,177,578.26/77,257.87 - Step 6: Final answer
x = 40,994.89
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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.