Finding the Fourth Proportional to 408,236.96, 612,743.16 and 250,772.96
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Solution
The fourth proportional to 408,236.96, 612,743.16 and 250,772.96 is: 376,397.61
Step by Step Solution
- Step 1: Write the proportion equation
408,236.96 : 612,743.16 = 250,772.96 : x - Step 2: Convert to fraction form
408,236.96/612,743.16 = 250,772.96/x - Step 3: Cross multiply
408,236.96x = 612,743.16 × 250,772.96 - Step 4: Simplify right side
408,236.96x = 153,659,415,952.95 - Step 5: Solve for x
x = 153,659,415,952.95/408,236.96 - Step 6: Final answer
x = 376,397.61
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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.