Finding the Fourth Proportional to 178,484.10, 267,640.02 and 103,623.09
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Solution
The fourth proportional to 178,484.10, 267,640.02 and 103,623.09 is: 155,384.63
Step by Step Solution
- Step 1: Write the proportion equation
178,484.10 : 267,640.02 = 103,623.09 : x - Step 2: Convert to fraction form
178,484.10/267,640.02 = 103,623.09/x - Step 3: Cross multiply
178,484.10x = 267,640.02 × 103,623.09 - Step 4: Simplify right side
178,484.10x = 27,733,685,880.06 - Step 5: Solve for x
x = 27,733,685,880.06/178,484.10 - Step 6: Final answer
x = 155,384.63
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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.