Finding the Fourth Proportional to 178,175.97, 245,685.80 and 113,542.82
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Solution
The fourth proportional to 178,175.97, 245,685.80 and 113,542.82 is: 156,563.52
Step by Step Solution
- Step 1: Write the proportion equation
178,175.97 : 245,685.80 = 113,542.82 : x - Step 2: Convert to fraction form
178,175.97/245,685.80 = 113,542.82/x - Step 3: Cross multiply
178,175.97x = 245,685.80 × 113,542.82 - Step 4: Simplify right side
178,175.97x = 27,895,856,769.81 - Step 5: Solve for x
x = 27,895,856,769.81/178,175.97 - Step 6: Final answer
x = 156,563.52
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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.