Finding the Fourth Proportional to 396,324.20, 546,910.08 and 226,569.26
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Solution
The fourth proportional to 396,324.20, 546,910.08 and 226,569.26 is: 312,655.68
Step by Step Solution
- Step 1: Write the proportion equation
396,324.20 : 546,910.08 = 226,569.26 : x - Step 2: Convert to fraction form
396,324.20/546,910.08 = 226,569.26/x - Step 3: Cross multiply
396,324.20x = 546,910.08 × 226,569.26 - Step 4: Simplify right side
396,324.20x = 123,913,009,377.59 - Step 5: Solve for x
x = 123,913,009,377.59/396,324.20 - Step 6: Final answer
x = 312,655.68
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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.