Finding the Fourth Proportional to 197,308.18, 272,505.09 and 182,378.26
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Solution
The fourth proportional to 197,308.18, 272,505.09 and 182,378.26 is: 251,885.17
Step by Step Solution
- Step 1: Write the proportion equation
197,308.18 : 272,505.09 = 182,378.26 : x - Step 2: Convert to fraction form
197,308.18/272,505.09 = 182,378.26/x - Step 3: Cross multiply
197,308.18x = 272,505.09 × 182,378.26 - Step 4: Simplify right side
197,308.18x = 49,699,004,155.34 - Step 5: Solve for x
x = 49,699,004,155.34/197,308.18 - Step 6: Final answer
x = 251,885.17
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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.