Finding the Fourth Proportional to 178,542.20, 267,813.30 and 175,917.80
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Solution
The fourth proportional to 178,542.20, 267,813.30 and 175,917.80 is: 263,876.70
Step by Step Solution
- Step 1: Write the proportion equation
178,542.20 : 267,813.30 = 175,917.80 : x - Step 2: Convert to fraction form
178,542.20/267,813.30 = 175,917.80/x - Step 3: Cross multiply
178,542.20x = 267,813.30 × 175,917.80 - Step 4: Simplify right side
178,542.20x = 47,113,126,546.74 - Step 5: Solve for x
x = 47,113,126,546.74/178,542.20 - Step 6: Final answer
x = 263,876.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.