Finding the Fourth Proportional to 178,197.21, 267,108.64 and 65,805.80
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Solution
The fourth proportional to 178,197.21, 267,108.64 and 65,805.80 is: 98,639.57
Step by Step Solution
- Step 1: Write the proportion equation
178,197.21 : 267,108.64 = 65,805.80 : x - Step 2: Convert to fraction form
178,197.21/267,108.64 = 65,805.80/x - Step 3: Cross multiply
178,197.21x = 267,108.64 × 65,805.80 - Step 4: Simplify right side
178,197.21x = 17,577,296,242.05 - Step 5: Solve for x
x = 17,577,296,242.05/178,197.21 - Step 6: Final answer
x = 98,639.57
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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.