Finding the Fourth Proportional to 153,664.20, 230,528.70 and 48,493.80
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Solution
The fourth proportional to 153,664.20, 230,528.70 and 48,493.80 is: 72,750.92
Step by Step Solution
- Step 1: Write the proportion equation
153,664.20 : 230,528.70 = 48,493.80 : x - Step 2: Convert to fraction form
153,664.20/230,528.70 = 48,493.80/x - Step 3: Cross multiply
153,664.20x = 230,528.70 × 48,493.80 - Step 4: Simplify right side
153,664.20x = 11,179,212,672.06 - Step 5: Solve for x
x = 11,179,212,672.06/153,664.20 - Step 6: Final answer
x = 72,750.92
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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.