Finding the Fourth Proportional to 150,357.18, 207,485.49 and 82,374.49
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Solution
The fourth proportional to 150,357.18, 207,485.49 and 82,374.49 is: 113,672.73
Step by Step Solution
- Step 1: Write the proportion equation
150,357.18 : 207,485.49 = 82,374.49 : x - Step 2: Convert to fraction form
150,357.18/207,485.49 = 82,374.49/x - Step 3: Cross multiply
150,357.18x = 207,485.49 × 82,374.49 - Step 4: Simplify right side
150,357.18x = 17,091,510,902.44 - Step 5: Solve for x
x = 17,091,510,902.44/150,357.18 - Step 6: Final answer
x = 113,672.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.