Finding the Fourth Proportional to 247,450.98, 341,489.92 and 145,457.73
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Solution
The fourth proportional to 247,450.98, 341,489.92 and 145,457.73 is: 200,736.12
Step by Step Solution
- Step 1: Write the proportion equation
247,450.98 : 341,489.92 = 145,457.73 : x - Step 2: Convert to fraction form
247,450.98/341,489.92 = 145,457.73/x - Step 3: Cross multiply
247,450.98x = 341,489.92 × 145,457.73 - Step 4: Simplify right side
247,450.98x = 49,672,348,581.08 - Step 5: Solve for x
x = 49,672,348,581.08/247,450.98 - Step 6: Final answer
x = 200,736.12
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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.