Finding the Fourth Proportional to 221,160.63, 331,740.94 and 54,948.63
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Solution
The fourth proportional to 221,160.63, 331,740.94 and 54,948.63 is: 82,422.94
Step by Step Solution
- Step 1: Write the proportion equation
221,160.63 : 331,740.94 = 54,948.63 : x - Step 2: Convert to fraction form
221,160.63/331,740.94 = 54,948.63/x - Step 3: Cross multiply
221,160.63x = 331,740.94 × 54,948.63 - Step 4: Simplify right side
221,160.63x = 18,228,708,371.84 - Step 5: Solve for x
x = 18,228,708,371.84/221,160.63 - Step 6: Final answer
x = 82,422.94
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1.5x scale
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.