Finding the Fourth Proportional to 396,486.09, 594,470.34 and 225,712.98
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Solution
The fourth proportional to 396,486.09, 594,470.34 and 225,712.98 is: 338,422.14
Step by Step Solution
- Step 1: Write the proportion equation
396,486.09 : 594,470.34 = 225,712.98 : x - Step 2: Convert to fraction form
396,486.09/594,470.34 = 225,712.98/x - Step 3: Cross multiply
396,486.09x = 594,470.34 × 225,712.98 - Step 4: Simplify right side
396,486.09x = 134,179,671,963.01 - Step 5: Solve for x
x = 134,179,671,963.01/396,486.09 - Step 6: Final answer
x = 338,422.14
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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.