Finding the Fourth Proportional to 178,343.71, 267,437.74 and 67,457.95
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Solution
The fourth proportional to 178,343.71, 267,437.74 and 67,457.95 is: 101,157.49
Step by Step Solution
- Step 1: Write the proportion equation
178,343.71 : 267,437.74 = 67,457.95 : x - Step 2: Convert to fraction form
178,343.71/267,437.74 = 67,457.95/x - Step 3: Cross multiply
178,343.71x = 267,437.74 × 67,457.95 - Step 4: Simplify right side
178,343.71x = 18,040,801,693.03 - Step 5: Solve for x
x = 18,040,801,693.03/178,343.71 - Step 6: Final answer
x = 101,157.49
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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.