Finding the Fourth Proportional to 197,424.75, 272,447.24 and 108,000.75
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Solution
The fourth proportional to 197,424.75, 272,447.24 and 108,000.75 is: 149,041.63
Step by Step Solution
- Step 1: Write the proportion equation
197,424.75 : 272,447.24 = 108,000.75 : x - Step 2: Convert to fraction form
197,424.75/272,447.24 = 108,000.75/x - Step 3: Cross multiply
197,424.75x = 272,447.24 × 108,000.75 - Step 4: Simplify right side
197,424.75x = 29,424,505,715.43 - Step 5: Solve for x
x = 29,424,505,715.43/197,424.75 - Step 6: Final answer
x = 149,041.63
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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.