Finding the Fourth Proportional to 115,620.94, 173,428.71 and 53,291.44
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Solution
The fourth proportional to 115,620.94, 173,428.71 and 53,291.44 is: 79,935.92
Step by Step Solution
- Step 1: Write the proportion equation
115,620.94 : 173,428.71 = 53,291.44 : x - Step 2: Convert to fraction form
115,620.94/173,428.71 = 53,291.44/x - Step 3: Cross multiply
115,620.94x = 173,428.71 × 53,291.44 - Step 4: Simplify right side
115,620.94x = 9,242,265,693.24 - Step 5: Solve for x
x = 9,242,265,693.24/115,620.94 - Step 6: Final answer
x = 79,935.92
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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.