Finding the Fourth Proportional to 192,811.82, 288,841.08 and 132,829.70
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Solution
The fourth proportional to 192,811.82, 288,841.08 and 132,829.70 is: 198,985.07
Step by Step Solution
- Step 1: Write the proportion equation
192,811.82 : 288,841.08 = 132,829.70 : x - Step 2: Convert to fraction form
192,811.82/288,841.08 = 132,829.70/x - Step 3: Cross multiply
192,811.82x = 288,841.08 × 132,829.70 - Step 4: Simplify right side
192,811.82x = 38,366,674,004.08 - Step 5: Solve for x
x = 38,366,674,004.08/192,811.82 - Step 6: Final answer
x = 198,985.07
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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.