Finding the Fourth Proportional to 256,617.94, 354,101.85 and 141,881.09
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Solution
The fourth proportional to 256,617.94, 354,101.85 and 141,881.09 is: 195,778.81
Step by Step Solution
- Step 1: Write the proportion equation
256,617.94 : 354,101.85 = 141,881.09 : x - Step 2: Convert to fraction form
256,617.94/354,101.85 = 141,881.09/x - Step 3: Cross multiply
256,617.94x = 354,101.85 × 141,881.09 - Step 4: Simplify right side
256,617.94x = 50,240,354,678.51 - Step 5: Solve for x
x = 50,240,354,678.51/256,617.94 - Step 6: Final answer
x = 195,778.81
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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.