Finding the Fourth Proportional to 352,457.39, 486,378.15 and 191,308.99
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Solution
The fourth proportional to 352,457.39, 486,378.15 and 191,308.99 is: 263,999.32
Step by Step Solution
- Step 1: Write the proportion equation
352,457.39 : 486,378.15 = 191,308.99 : x - Step 2: Convert to fraction form
352,457.39/486,378.15 = 191,308.99/x - Step 3: Cross multiply
352,457.39x = 486,378.15 × 191,308.99 - Step 4: Simplify right side
352,457.39x = 93,048,512,634.57 - Step 5: Solve for x
x = 93,048,512,634.57/352,457.39 - Step 6: Final answer
x = 263,999.32
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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.