Finding the Fourth Proportional to 75,490.79, 113,236.70 and 22,182.57
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Solution
The fourth proportional to 75,490.79, 113,236.70 and 22,182.57 is: 33,274.00
Step by Step Solution
- Step 1: Write the proportion equation
75,490.79 : 113,236.70 = 22,182.57 : x - Step 2: Convert to fraction form
75,490.79/113,236.70 = 22,182.57/x - Step 3: Cross multiply
75,490.79x = 113,236.70 × 22,182.57 - Step 4: Simplify right side
75,490.79x = 2,511,880,913.41 - Step 5: Solve for x
x = 2,511,880,913.41/75,490.79 - Step 6: Final answer
x = 33,274.00
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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.