Finding the Fourth Proportional to 236,992.32, 327,047.36 and 129,562.02
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Solution
The fourth proportional to 236,992.32, 327,047.36 and 129,562.02 is: 178,794.47
Step by Step Solution
- Step 1: Write the proportion equation
236,992.32 : 327,047.36 = 129,562.02 : x - Step 2: Convert to fraction form
236,992.32/327,047.36 = 129,562.02/x - Step 3: Cross multiply
236,992.32x = 327,047.36 × 129,562.02 - Step 4: Simplify right side
236,992.32x = 42,372,915,949.46 - Step 5: Solve for x
x = 42,372,915,949.46/236,992.32 - Step 6: Final answer
x = 178,794.47
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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.