Finding the Fourth Proportional to 185,450.68, 278,203.80 and 67,149.76
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Solution
The fourth proportional to 185,450.68, 278,203.80 and 67,149.76 is: 100,734.70
Step by Step Solution
- Step 1: Write the proportion equation
185,450.68 : 278,203.80 = 67,149.76 : x - Step 2: Convert to fraction form
185,450.68/278,203.80 = 67,149.76/x - Step 3: Cross multiply
185,450.68x = 278,203.80 × 67,149.76 - Step 4: Simplify right side
185,450.68x = 18,681,318,401.09 - Step 5: Solve for x
x = 18,681,318,401.09/185,450.68 - Step 6: Final answer
x = 100,734.70
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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.