Finding the Fourth Proportional to 192,903.11, 289,534.19 and 98,204.18
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Solution
The fourth proportional to 192,903.11, 289,534.19 and 98,204.18 is: 147,397.66
Step by Step Solution
- Step 1: Write the proportion equation
192,903.11 : 289,534.19 = 98,204.18 : x - Step 2: Convert to fraction form
192,903.11/289,534.19 = 98,204.18/x - Step 3: Cross multiply
192,903.11x = 289,534.19 × 98,204.18 - Step 4: Simplify right side
192,903.11x = 28,433,465,772.22 - Step 5: Solve for x
x = 28,433,465,772.22/192,903.11 - Step 6: Final answer
x = 147,397.66
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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.