Finding the Fourth Proportional to 144,247.39, 216,177.68 and 112,265.09
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Solution
The fourth proportional to 144,247.39, 216,177.68 and 112,265.09 is: 168,247.11
Step by Step Solution
- Step 1: Write the proportion equation
144,247.39 : 216,177.68 = 112,265.09 : x - Step 2: Convert to fraction form
144,247.39/216,177.68 = 112,265.09/x - Step 3: Cross multiply
144,247.39x = 216,177.68 × 112,265.09 - Step 4: Simplify right side
144,247.39x = 24,269,206,701.19 - Step 5: Solve for x
x = 24,269,206,701.19/144,247.39 - Step 6: Final answer
x = 168,247.11
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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.