Finding the Fourth Proportional to 363,427.95, 545,163.80 and 114,109.95
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Solution
The fourth proportional to 363,427.95, 545,163.80 and 114,109.95 is: 171,171.79
Step by Step Solution
- Step 1: Write the proportion equation
363,427.95 : 545,163.80 = 114,109.95 : x - Step 2: Convert to fraction form
363,427.95/545,163.80 = 114,109.95/x - Step 3: Cross multiply
363,427.95x = 545,163.80 × 114,109.95 - Step 4: Simplify right side
363,427.95x = 62,208,613,959.81 - Step 5: Solve for x
x = 62,208,613,959.81/363,427.95 - Step 6: Final answer
x = 171,171.79
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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.