Finding the Fourth Proportional to 207,186.24, 310,779.52 and 88,780.80
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Solution
The fourth proportional to 207,186.24, 310,779.52 and 88,780.80 is: 133,171.27
Step by Step Solution
- Step 1: Write the proportion equation
207,186.24 : 310,779.52 = 88,780.80 : x - Step 2: Convert to fraction form
207,186.24/310,779.52 = 88,780.80/x - Step 3: Cross multiply
207,186.24x = 310,779.52 × 88,780.80 - Step 4: Simplify right side
207,186.24x = 27,591,254,409.22 - Step 5: Solve for x
x = 27,591,254,409.22/207,186.24 - Step 6: Final answer
x = 133,171.27
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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.