Finding the Fourth Proportional to 339,573.08, 509,376.60 and 129,227.36
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Solution
The fourth proportional to 339,573.08, 509,376.60 and 129,227.36 is: 193,847.50
Step by Step Solution
- Step 1: Write the proportion equation
339,573.08 : 509,376.60 = 129,227.36 : x - Step 2: Convert to fraction form
339,573.08/509,376.60 = 129,227.36/x - Step 3: Cross multiply
339,573.08x = 509,376.60 × 129,227.36 - Step 4: Simplify right side
339,573.08x = 65,825,393,263.78 - Step 5: Solve for x
x = 65,825,393,263.78/339,573.08 - Step 6: Final answer
x = 193,847.50
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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.