Finding the Fourth Proportional to 178,319.07, 267,414.84 and 83,533.05
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Solution
The fourth proportional to 178,319.07, 267,414.84 and 83,533.05 is: 125,269.70
Step by Step Solution
- Step 1: Write the proportion equation
178,319.07 : 267,414.84 = 83,533.05 : x - Step 2: Convert to fraction form
178,319.07/267,414.84 = 83,533.05/x - Step 3: Cross multiply
178,319.07x = 267,414.84 × 83,533.05 - Step 4: Simplify right side
178,319.07x = 22,337,977,200.46 - Step 5: Solve for x
x = 22,337,977,200.46/178,319.07 - Step 6: Final answer
x = 125,269.70
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1.5x scale
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.