Finding the Fourth Proportional to 178,074.90, 267,112.35 and 170,201.70
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Solution
The fourth proportional to 178,074.90, 267,112.35 and 170,201.70 is: 255,302.55
Step by Step Solution
- Step 1: Write the proportion equation
178,074.90 : 267,112.35 = 170,201.70 : x - Step 2: Convert to fraction form
178,074.90/267,112.35 = 170,201.70/x - Step 3: Cross multiply
178,074.90x = 267,112.35 × 170,201.70 - Step 4: Simplify right side
178,074.90x = 45,462,976,061.00 - Step 5: Solve for x
x = 45,462,976,061.00/178,074.90 - Step 6: Final answer
x = 255,302.55
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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.