Finding the Fourth Proportional to 200,313.80, 276,432.29 and 114,272.63
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Solution
The fourth proportional to 200,313.80, 276,432.29 and 114,272.63 is: 157,695.79
Step by Step Solution
- Step 1: Write the proportion equation
200,313.80 : 276,432.29 = 114,272.63 : x - Step 2: Convert to fraction form
200,313.80/276,432.29 = 114,272.63/x - Step 3: Cross multiply
200,313.80x = 276,432.29 × 114,272.63 - Step 4: Simplify right side
200,313.80x = 31,588,642,841.70 - Step 5: Solve for x
x = 31,588,642,841.70/200,313.80 - Step 6: Final answer
x = 157,695.79
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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.