Finding the Fourth Proportional to 150,003.14, 225,115.44 and 71,117.66
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Solution
The fourth proportional to 150,003.14, 225,115.44 and 71,117.66 is: 106,728.99
Step by Step Solution
- Step 1: Write the proportion equation
150,003.14 : 225,115.44 = 71,117.66 : x - Step 2: Convert to fraction form
150,003.14/225,115.44 = 71,117.66/x - Step 3: Cross multiply
150,003.14x = 225,115.44 × 71,117.66 - Step 4: Simplify right side
150,003.14x = 16,009,683,322.67 - Step 5: Solve for x
x = 16,009,683,322.67/150,003.14 - Step 6: Final answer
x = 106,728.99
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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.