Finding the Fourth Proportional to 181,930.98, 272,925.66 and 76,765.44
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Solution
The fourth proportional to 181,930.98, 272,925.66 and 76,765.44 is: 115,160.48
Step by Step Solution
- Step 1: Write the proportion equation
181,930.98 : 272,925.66 = 76,765.44 : x - Step 2: Convert to fraction form
181,930.98/272,925.66 = 76,765.44/x - Step 3: Cross multiply
181,930.98x = 272,925.66 × 76,765.44 - Step 4: Simplify right side
181,930.98x = 20,951,258,377.19 - Step 5: Solve for x
x = 20,951,258,377.19/181,930.98 - Step 6: Final answer
x = 115,160.48
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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.