Finding the Fourth Proportional to 386,366.96, 533,445.28 and 241,393.44
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Solution
The fourth proportional to 386,366.96, 533,445.28 and 241,393.44 is: 333,284.69
Step by Step Solution
- Step 1: Write the proportion equation
386,366.96 : 533,445.28 = 241,393.44 : x - Step 2: Convert to fraction form
386,366.96/533,445.28 = 241,393.44/x - Step 3: Cross multiply
386,366.96x = 533,445.28 × 241,393.44 - Step 4: Simplify right side
386,366.96x = 128,770,191,190.96 - Step 5: Solve for x
x = 128,770,191,190.96/386,366.96 - Step 6: Final answer
x = 333,284.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.