Finding the Fourth Proportional to 115,732.08, 173,611.98 and 40,836.74
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Solution
The fourth proportional to 115,732.08, 173,611.98 and 40,836.74 is: 61,259.99
Step by Step Solution
- Step 1: Write the proportion equation
115,732.08 : 173,611.98 = 40,836.74 : x - Step 2: Convert to fraction form
115,732.08/173,611.98 = 40,836.74/x - Step 3: Cross multiply
115,732.08x = 173,611.98 × 40,836.74 - Step 4: Simplify right side
115,732.08x = 7,089,746,420.09 - Step 5: Solve for x
x = 7,089,746,420.09/115,732.08 - Step 6: Final answer
x = 61,259.99
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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.