Finding the Fourth Proportional to 392,395.05, 541,340.01 and 246,943.17
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Solution
The fourth proportional to 392,395.05, 541,340.01 and 246,943.17 is: 340,677.64
Step by Step Solution
- Step 1: Write the proportion equation
392,395.05 : 541,340.01 = 246,943.17 : x - Step 2: Convert to fraction form
392,395.05/541,340.01 = 246,943.17/x - Step 3: Cross multiply
392,395.05x = 541,340.01 × 246,943.17 - Step 4: Simplify right side
392,395.05x = 133,680,218,117.23 - Step 5: Solve for x
x = 133,680,218,117.23/392,395.05 - Step 6: Final answer
x = 340,677.64
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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.