Finding the Fourth Proportional to 178,155.36, 267,233.76 and 84,610.08
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Solution
The fourth proportional to 178,155.36, 267,233.76 and 84,610.08 is: 126,915.46
Step by Step Solution
- Step 1: Write the proportion equation
178,155.36 : 267,233.76 = 84,610.08 : x - Step 2: Convert to fraction form
178,155.36/267,233.76 = 84,610.08/x - Step 3: Cross multiply
178,155.36x = 267,233.76 × 84,610.08 - Step 4: Simplify right side
178,155.36x = 22,610,669,812.30 - Step 5: Solve for x
x = 22,610,669,812.30/178,155.36 - Step 6: Final answer
x = 126,915.46
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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.