Finding the Fourth Proportional to 143,713.24, 198,324.12 and 83,318.92
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Solution
The fourth proportional to 143,713.24, 198,324.12 and 83,318.92 is: 114,980.02
Step by Step Solution
- Step 1: Write the proportion equation
143,713.24 : 198,324.12 = 83,318.92 : x - Step 2: Convert to fraction form
143,713.24/198,324.12 = 83,318.92/x - Step 3: Cross multiply
143,713.24x = 198,324.12 × 83,318.92 - Step 4: Simplify right side
143,713.24x = 16,524,151,488.35 - Step 5: Solve for x
x = 16,524,151,488.35/143,713.24 - Step 6: Final answer
x = 114,980.02
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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.