Finding the Fourth Proportional to 357,145.09, 492,882.37 and 236,076.41
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Solution
The fourth proportional to 357,145.09, 492,882.37 and 236,076.41 is: 325,800.09
Step by Step Solution
- Step 1: Write the proportion equation
357,145.09 : 492,882.37 = 236,076.41 : x - Step 2: Convert to fraction form
357,145.09/492,882.37 = 236,076.41/x - Step 3: Cross multiply
357,145.09x = 492,882.37 × 236,076.41 - Step 4: Simplify right side
357,145.09x = 116,357,901,103.91 - Step 5: Solve for x
x = 116,357,901,103.91/357,145.09 - Step 6: Final answer
x = 325,800.09
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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.