Finding the Fourth Proportional to 121,515.05, 182,272.08 and 32,777.54
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Solution
The fourth proportional to 121,515.05, 182,272.08 and 32,777.54 is: 49,166.18
Step by Step Solution
- Step 1: Write the proportion equation
121,515.05 : 182,272.08 = 32,777.54 : x - Step 2: Convert to fraction form
121,515.05/182,272.08 = 32,777.54/x - Step 3: Cross multiply
121,515.05x = 182,272.08 × 32,777.54 - Step 4: Simplify right side
121,515.05x = 5,974,430,393.08 - Step 5: Solve for x
x = 5,974,430,393.08/121,515.05 - Step 6: Final answer
x = 49,166.18
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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.