Finding the Fourth Proportional to 256,331.49, 351,168.30 and 246,747.84
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Solution
The fourth proportional to 256,331.49, 351,168.30 and 246,747.84 is: 338,038.92
Step by Step Solution
- Step 1: Write the proportion equation
256,331.49 : 351,168.30 = 246,747.84 : x - Step 2: Convert to fraction form
256,331.49/351,168.30 = 246,747.84/x - Step 3: Cross multiply
256,331.49x = 351,168.30 × 246,747.84 - Step 4: Simplify right side
256,331.49x = 86,650,019,501.47 - Step 5: Solve for x
x = 86,650,019,501.47/256,331.49 - Step 6: Final answer
x = 338,038.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.