Finding the Fourth Proportional to 256,995.36, 354,618.73 and 149,482.44
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Solution
The fourth proportional to 256,995.36, 354,618.73 and 149,482.44 is: 206,265.49
Step by Step Solution
- Step 1: Write the proportion equation
256,995.36 : 354,618.73 = 149,482.44 : x - Step 2: Convert to fraction form
256,995.36/354,618.73 = 149,482.44/x - Step 3: Cross multiply
256,995.36x = 354,618.73 × 149,482.44 - Step 4: Simplify right side
256,995.36x = 53,009,273,030.10 - Step 5: Solve for x
x = 53,009,273,030.10/256,995.36 - Step 6: Final answer
x = 206,265.49
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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.