Finding the Fourth Proportional to 256,645.77, 354,193.07 and 149,208.99
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Solution
The fourth proportional to 256,645.77, 354,193.07 and 149,208.99 is: 205,921.14
Step by Step Solution
- Step 1: Write the proportion equation
256,645.77 : 354,193.07 = 149,208.99 : x - Step 2: Convert to fraction form
256,645.77/354,193.07 = 149,208.99/x - Step 3: Cross multiply
256,645.77x = 354,193.07 × 149,208.99 - Step 4: Simplify right side
256,645.77x = 52,848,789,493.65 - Step 5: Solve for x
x = 52,848,789,493.65/256,645.77 - Step 6: Final answer
x = 205,921.14
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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.