Finding the Fourth Proportional to 132,338.11, 198,395.55 and 57,401.81
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Solution
The fourth proportional to 132,338.11, 198,395.55 and 57,401.81 is: 86,054.31
Step by Step Solution
- Step 1: Write the proportion equation
132,338.11 : 198,395.55 = 57,401.81 : x - Step 2: Convert to fraction form
132,338.11/198,395.55 = 57,401.81/x - Step 3: Cross multiply
132,338.11x = 198,395.55 × 57,401.81 - Step 4: Simplify right side
132,338.11x = 11,388,264,377.19 - Step 5: Solve for x
x = 11,388,264,377.19/132,338.11 - Step 6: Final answer
x = 86,054.31
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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.