Finding the Fourth Proportional to 247,279.44, 370,915.11 and 78,797.52
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Solution
The fourth proportional to 247,279.44, 370,915.11 and 78,797.52 is: 118,194.99
Step by Step Solution
- Step 1: Write the proportion equation
247,279.44 : 370,915.11 = 78,797.52 : x - Step 2: Convert to fraction form
247,279.44/370,915.11 = 78,797.52/x - Step 3: Cross multiply
247,279.44x = 370,915.11 × 78,797.52 - Step 4: Simplify right side
247,279.44x = 29,227,190,798.53 - Step 5: Solve for x
x = 29,227,190,798.53/247,279.44 - Step 6: Final answer
x = 118,194.99
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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.