Finding the Fourth Proportional to 121,460.08, 182,205.48 and 47,578.48
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Solution
The fourth proportional to 121,460.08, 182,205.48 and 47,578.48 is: 71,373.74
Step by Step Solution
- Step 1: Write the proportion equation
121,460.08 : 182,205.48 = 47,578.48 : x - Step 2: Convert to fraction form
121,460.08/182,205.48 = 47,578.48/x - Step 3: Cross multiply
121,460.08x = 182,205.48 × 47,578.48 - Step 4: Simplify right side
121,460.08x = 8,669,059,786.07 - Step 5: Solve for x
x = 8,669,059,786.07/121,460.08 - Step 6: Final answer
x = 71,373.74
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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.