Finding the Fourth Proportional to 540,398.40, 810,889.44 and 225,072.96
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Solution
The fourth proportional to 540,398.40, 810,889.44 and 225,072.96 is: 337,730.99
Step by Step Solution
- Step 1: Write the proportion equation
540,398.40 : 810,889.44 = 225,072.96 : x - Step 2: Convert to fraction form
540,398.40/810,889.44 = 225,072.96/x - Step 3: Cross multiply
540,398.40x = 810,889.44 × 225,072.96 - Step 4: Simplify right side
540,398.40x = 182,509,286,493.54 - Step 5: Solve for x
x = 182,509,286,493.54/540,398.40 - Step 6: Final answer
x = 337,730.99
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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.