Finding the Fourth Proportional to 221,766.21, 306,037.50 and 119,791.68
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Solution
The fourth proportional to 221,766.21, 306,037.50 and 119,791.68 is: 165,312.58
Step by Step Solution
- Step 1: Write the proportion equation
221,766.21 : 306,037.50 = 119,791.68 : x - Step 2: Convert to fraction form
221,766.21/306,037.50 = 119,791.68/x - Step 3: Cross multiply
221,766.21x = 306,037.50 × 119,791.68 - Step 4: Simplify right side
221,766.21x = 36,660,744,671.14 - Step 5: Solve for x
x = 36,660,744,671.14/221,766.21 - Step 6: Final answer
x = 165,312.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.