Finding the Fourth Proportional to 149,836.21, 224,679.07 and 49,961.05
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Solution
The fourth proportional to 149,836.21, 224,679.07 and 49,961.05 is: 74,916.48
Step by Step Solution
- Step 1: Write the proportion equation
149,836.21 : 224,679.07 = 49,961.05 : x - Step 2: Convert to fraction form
149,836.21/224,679.07 = 49,961.05/x - Step 3: Cross multiply
149,836.21x = 224,679.07 × 49,961.05 - Step 4: Simplify right side
149,836.21x = 11,225,200,877.02 - Step 5: Solve for x
x = 11,225,200,877.02/149,836.21 - Step 6: Final answer
x = 74,916.48
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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.