Finding the Fourth Proportional to 221,364.16, 332,045.28 and 94,993.60
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Solution
The fourth proportional to 221,364.16, 332,045.28 and 94,993.60 is: 142,489.99
Step by Step Solution
- Step 1: Write the proportion equation
221,364.16 : 332,045.28 = 94,993.60 : x - Step 2: Convert to fraction form
221,364.16/332,045.28 = 94,993.60/x - Step 3: Cross multiply
221,364.16x = 332,045.28 × 94,993.60 - Step 4: Simplify right side
221,364.16x = 31,542,176,510.21 - Step 5: Solve for x
x = 31,542,176,510.21/221,364.16 - Step 6: Final answer
x = 142,489.99
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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.