Finding the Fourth Proportional to 254,859.04, 351,664.08 and 141,678.88
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Solution
The fourth proportional to 254,859.04, 351,664.08 and 141,678.88 is: 195,493.84
Step by Step Solution
- Step 1: Write the proportion equation
254,859.04 : 351,664.08 = 141,678.88 : x - Step 2: Convert to fraction form
254,859.04/351,664.08 = 141,678.88/x - Step 3: Cross multiply
254,859.04x = 351,664.08 × 141,678.88 - Step 4: Simplify right side
254,859.04x = 49,823,372,990.63 - Step 5: Solve for x
x = 49,823,372,990.63/254,859.04 - Step 6: Final answer
x = 195,493.84
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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.