Finding the Fourth Proportional to 145,276.74, 217,915.11 and 51,716.88
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Solution
The fourth proportional to 145,276.74, 217,915.11 and 51,716.88 is: 77,575.32
Step by Step Solution
- Step 1: Write the proportion equation
145,276.74 : 217,915.11 = 51,716.88 : x - Step 2: Convert to fraction form
145,276.74/217,915.11 = 51,716.88/x - Step 3: Cross multiply
145,276.74x = 217,915.11 × 51,716.88 - Step 4: Simplify right side
145,276.74x = 11,269,889,594.06 - Step 5: Solve for x
x = 11,269,889,594.06/145,276.74 - Step 6: Final answer
x = 77,575.32
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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.