Finding the Fourth Proportional to 256,774.70, 354,338.43 and 149,344.94
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Solution
The fourth proportional to 256,774.70, 354,338.43 and 149,344.94 is: 206,089.82
Step by Step Solution
- Step 1: Write the proportion equation
256,774.70 : 354,338.43 = 149,344.94 : x - Step 2: Convert to fraction form
256,774.70/354,338.43 = 149,344.94/x - Step 3: Cross multiply
256,774.70x = 354,338.43 × 149,344.94 - Step 4: Simplify right side
256,774.70x = 52,918,651,568.04 - Step 5: Solve for x
x = 52,918,651,568.04/256,774.70 - Step 6: Final answer
x = 206,089.82
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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.