Finding the Fourth Proportional to 656,161.11, 905,502.36 and 354,355.11
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Solution
The fourth proportional to 656,161.11, 905,502.36 and 354,355.11 is: 489,010.07
Step by Step Solution
- Step 1: Write the proportion equation
656,161.11 : 905,502.36 = 354,355.11 : x - Step 2: Convert to fraction form
656,161.11/905,502.36 = 354,355.11/x - Step 3: Cross multiply
656,161.11x = 905,502.36 × 354,355.11 - Step 4: Simplify right side
656,161.11x = 320,869,388,383.06 - Step 5: Solve for x
x = 320,869,388,383.06/656,161.11 - Step 6: Final answer
x = 489,010.07
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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.