Finding the Fourth Proportional to 255,041.06, 351,955.68 and 141,863.84
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Solution
The fourth proportional to 255,041.06, 351,955.68 and 141,863.84 is: 195,771.55
Step by Step Solution
- Step 1: Write the proportion equation
255,041.06 : 351,955.68 = 141,863.84 : x - Step 2: Convert to fraction form
255,041.06/351,955.68 = 141,863.84/x - Step 3: Cross multiply
255,041.06x = 351,955.68 × 141,863.84 - Step 4: Simplify right side
255,041.06x = 49,929,784,274.61 - Step 5: Solve for x
x = 49,929,784,274.61/255,041.06 - Step 6: Final answer
x = 195,771.55
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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.