Finding the Fourth Proportional to 143,047.24, 197,409.68 and 82,616.76
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Solution
The fourth proportional to 143,047.24, 197,409.68 and 82,616.76 is: 114,013.72
Step by Step Solution
- Step 1: Write the proportion equation
143,047.24 : 197,409.68 = 82,616.76 : x - Step 2: Convert to fraction form
143,047.24/197,409.68 = 82,616.76/x - Step 3: Cross multiply
143,047.24x = 197,409.68 × 82,616.76 - Step 4: Simplify right side
143,047.24x = 16,309,348,154.24 - Step 5: Solve for x
x = 16,309,348,154.24/143,047.24 - Step 6: Final answer
x = 114,013.72
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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.