Finding the Fourth Proportional to 481,889.05, 722,845.19 and 162,045.08
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Solution
The fourth proportional to 481,889.05, 722,845.19 and 162,045.08 is: 243,071.53
Step by Step Solution
- Step 1: Write the proportion equation
481,889.05 : 722,845.19 = 162,045.08 : x - Step 2: Convert to fraction form
481,889.05/722,845.19 = 162,045.08/x - Step 3: Cross multiply
481,889.05x = 722,845.19 × 162,045.08 - Step 4: Simplify right side
481,889.05x = 117,133,507,719.97 - Step 5: Solve for x
x = 117,133,507,719.97/481,889.05 - Step 6: Final answer
x = 243,071.53
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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.