Finding the Fourth Proportional to 197,523.53, 272,581.92 and 106,881.03
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Solution
The fourth proportional to 197,523.53, 272,581.92 and 106,881.03 is: 147,495.52
Step by Step Solution
- Step 1: Write the proportion equation
197,523.53 : 272,581.92 = 106,881.03 : x - Step 2: Convert to fraction form
197,523.53/272,581.92 = 106,881.03/x - Step 3: Cross multiply
197,523.53x = 272,581.92 × 106,881.03 - Step 4: Simplify right side
197,523.53x = 29,133,836,368.98 - Step 5: Solve for x
x = 29,133,836,368.98/197,523.53 - Step 6: Final answer
x = 147,495.52
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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.