Finding the Fourth Proportional to 256,836.75, 354,410.58 and 173,881.99
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Solution
The fourth proportional to 256,836.75, 354,410.58 and 173,881.99 is: 239,940.80
Step by Step Solution
- Step 1: Write the proportion equation
256,836.75 : 354,410.58 = 173,881.99 : x - Step 2: Convert to fraction form
256,836.75/354,410.58 = 173,881.99/x - Step 3: Cross multiply
256,836.75x = 354,410.58 × 173,881.99 - Step 4: Simplify right side
256,836.75x = 61,625,616,650.54 - Step 5: Solve for x
x = 61,625,616,650.54/256,836.75 - Step 6: Final answer
x = 239,940.80
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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.