Finding the Fourth Proportional to 115,607.99, 173,415.06 and 40,711.11
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Solution
The fourth proportional to 115,607.99, 173,415.06 and 40,711.11 is: 61,067.75
Step by Step Solution
- Step 1: Write the proportion equation
115,607.99 : 173,415.06 = 40,711.11 : x - Step 2: Convert to fraction form
115,607.99/173,415.06 = 40,711.11/x - Step 3: Cross multiply
115,607.99x = 173,415.06 × 40,711.11 - Step 4: Simplify right side
115,607.99x = 7,059,919,583.32 - Step 5: Solve for x
x = 7,059,919,583.32/115,607.99 - Step 6: Final answer
x = 61,067.75
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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.