Finding the Fourth Proportional to 197,658.24, 272,894.04 and 129,795.63
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Solution
The fourth proportional to 197,658.24, 272,894.04 and 129,795.63 is: 179,200.49
Step by Step Solution
- Step 1: Write the proportion equation
197,658.24 : 272,894.04 = 129,795.63 : x - Step 2: Convert to fraction form
197,658.24/272,894.04 = 129,795.63/x - Step 3: Cross multiply
197,658.24x = 272,894.04 × 129,795.63 - Step 4: Simplify right side
197,658.24x = 35,420,453,845.05 - Step 5: Solve for x
x = 35,420,453,845.05/197,658.24 - Step 6: Final answer
x = 179,200.49
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1.5x scale
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.