Finding the Fourth Proportional to 178,756.97, 246,701.75 and 102,260.88
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Solution
The fourth proportional to 178,756.97, 246,701.75 and 102,260.88 is: 141,129.81
Step by Step Solution
- Step 1: Write the proportion equation
178,756.97 : 246,701.75 = 102,260.88 : x - Step 2: Convert to fraction form
178,756.97/246,701.75 = 102,260.88/x - Step 3: Cross multiply
178,756.97x = 246,701.75 × 102,260.88 - Step 4: Simplify right side
178,756.97x = 25,227,936,819.03 - Step 5: Solve for x
x = 25,227,936,819.03/178,756.97 - Step 6: Final answer
x = 141,129.81
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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.