Finding the Fourth Proportional to 178,153.84, 267,224.28 and 53,491.60
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Solution
The fourth proportional to 178,153.84, 267,224.28 and 53,491.60 is: 80,235.45
Step by Step Solution
- Step 1: Write the proportion equation
178,153.84 : 267,224.28 = 53,491.60 : x - Step 2: Convert to fraction form
178,153.84/267,224.28 = 53,491.60/x - Step 3: Cross multiply
178,153.84x = 267,224.28 × 53,491.60 - Step 4: Simplify right side
178,153.84x = 14,294,254,296.05 - Step 5: Solve for x
x = 14,294,254,296.05/178,153.84 - Step 6: Final answer
x = 80,235.45
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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.