Finding the Fourth Proportional to 392,403.06, 541,351.04 and 246,951.18
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Solution
The fourth proportional to 392,403.06, 541,351.04 and 246,951.18 is: 340,688.67
Step by Step Solution
- Step 1: Write the proportion equation
392,403.06 : 541,351.04 = 246,951.18 : x - Step 2: Convert to fraction form
392,403.06/541,351.04 = 246,951.18/x - Step 3: Cross multiply
392,403.06x = 541,351.04 × 246,951.18 - Step 4: Simplify right side
392,403.06x = 133,687,278,122.23 - Step 5: Solve for x
x = 133,687,278,122.23/392,403.06 - Step 6: Final answer
x = 340,688.67
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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.