Finding the Fourth Proportional to 396,386.14, 547,010.08 and 215,093.46
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Solution
The fourth proportional to 396,386.14, 547,010.08 and 215,093.46 is: 296,827.46
Step by Step Solution
- Step 1: Write the proportion equation
396,386.14 : 547,010.08 = 215,093.46 : x - Step 2: Convert to fraction form
396,386.14/547,010.08 = 215,093.46/x - Step 3: Cross multiply
396,386.14x = 547,010.08 × 215,093.46 - Step 4: Simplify right side
396,386.14x = 117,658,290,762.08 - Step 5: Solve for x
x = 117,658,290,762.08/396,386.14 - Step 6: Final answer
x = 296,827.46
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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.