Finding the Fourth Proportional to 143,324.80, 197,733.08 and 92,333.68
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Solution
The fourth proportional to 143,324.80, 197,733.08 and 92,333.68 is: 127,384.95
Step by Step Solution
- Step 1: Write the proportion equation
143,324.80 : 197,733.08 = 92,333.68 : x - Step 2: Convert to fraction form
143,324.80/197,733.08 = 92,333.68/x - Step 3: Cross multiply
143,324.80x = 197,733.08 × 92,333.68 - Step 4: Simplify right side
143,324.80x = 18,257,422,934.13 - Step 5: Solve for x
x = 18,257,422,934.13/143,324.80 - Step 6: Final answer
x = 127,384.95
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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.