Finding the Fourth Proportional to 135,250.80, 203,000.20 and 68,737.20
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Solution
The fourth proportional to 135,250.80, 203,000.20 and 68,737.20 is: 103,168.82
Step by Step Solution
- Step 1: Write the proportion equation
135,250.80 : 203,000.20 = 68,737.20 : x - Step 2: Convert to fraction form
135,250.80/203,000.20 = 68,737.20/x - Step 3: Cross multiply
135,250.80x = 203,000.20 × 68,737.20 - Step 4: Simplify right side
135,250.80x = 13,953,665,347.44 - Step 5: Solve for x
x = 13,953,665,347.44/135,250.80 - Step 6: Final answer
x = 103,168.82
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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.