Finding the Fourth Proportional to 354,123.23, 488,674.62 and 201,161.07
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Solution
The fourth proportional to 354,123.23, 488,674.62 and 201,161.07 is: 277,593.51
Step by Step Solution
- Step 1: Write the proportion equation
354,123.23 : 488,674.62 = 201,161.07 : x - Step 2: Convert to fraction form
354,123.23/488,674.62 = 201,161.07/x - Step 3: Cross multiply
354,123.23x = 488,674.62 × 201,161.07 - Step 4: Simplify right side
354,123.23x = 98,302,309,441.04 - Step 5: Solve for x
x = 98,302,309,441.04/354,123.23 - Step 6: Final answer
x = 277,593.51
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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.