Finding the Fourth Proportional to 132,622.47, 198,931.74 and 32,782.68
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Solution
The fourth proportional to 132,622.47, 198,931.74 and 32,782.68 is: 49,173.53
Step by Step Solution
- Step 1: Write the proportion equation
132,622.47 : 198,931.74 = 32,782.68 : x - Step 2: Convert to fraction form
132,622.47/198,931.74 = 32,782.68/x - Step 3: Cross multiply
132,622.47x = 198,931.74 × 32,782.68 - Step 4: Simplify right side
132,622.47x = 6,521,515,574.26 - Step 5: Solve for x
x = 6,521,515,574.26/132,622.47 - Step 6: Final answer
x = 49,173.53
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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.