Finding the Fourth Proportional to 352,713.89, 486,748.74 and 191,572.09
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Solution
The fourth proportional to 352,713.89, 486,748.74 and 191,572.09 is: 264,371.42
Step by Step Solution
- Step 1: Write the proportion equation
352,713.89 : 486,748.74 = 191,572.09 : x - Step 2: Convert to fraction form
352,713.89/486,748.74 = 191,572.09/x - Step 3: Cross multiply
352,713.89x = 486,748.74 × 191,572.09 - Step 4: Simplify right side
352,713.89x = 93,247,472,928.19 - Step 5: Solve for x
x = 93,247,472,928.19/352,713.89 - Step 6: Final answer
x = 264,371.42
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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.