Finding the Fourth Proportional to 197,332.71, 272,137.43 and 129,324.91
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Solution
The fourth proportional to 197,332.71, 272,137.43 and 129,324.91 is: 178,349.28
Step by Step Solution
- Step 1: Write the proportion equation
197,332.71 : 272,137.43 = 129,324.91 : x - Step 2: Convert to fraction form
197,332.71/272,137.43 = 129,324.91/x - Step 3: Cross multiply
197,332.71x = 272,137.43 × 129,324.91 - Step 4: Simplify right side
197,332.71x = 35,194,146,635.07 - Step 5: Solve for x
x = 35,194,146,635.07/197,332.71 - Step 6: Final answer
x = 178,349.28
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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.