Finding the Fourth Proportional to 618,324.37, 927,488.61 and 218,976.81
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Solution
The fourth proportional to 618,324.37, 927,488.61 and 218,976.81 is: 328,465.94
Step by Step Solution
- Step 1: Write the proportion equation
618,324.37 : 927,488.61 = 218,976.81 : x - Step 2: Convert to fraction form
618,324.37/927,488.61 = 218,976.81/x - Step 3: Cross multiply
618,324.37x = 927,488.61 × 218,976.81 - Step 4: Simplify right side
618,324.37x = 203,098,497,129.13 - Step 5: Solve for x
x = 203,098,497,129.13/618,324.37 - Step 6: Final answer
x = 328,465.94
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1.5x scale
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.