Finding the Fourth Proportional to 120,850.76, 181,279.74 and 57,677.58
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Solution
The fourth proportional to 120,850.76, 181,279.74 and 57,677.58 is: 86,518.09
Step by Step Solution
- Step 1: Write the proportion equation
120,850.76 : 181,279.74 = 57,677.58 : x - Step 2: Convert to fraction form
120,850.76/181,279.74 = 57,677.58/x - Step 3: Cross multiply
120,850.76x = 181,279.74 × 57,677.58 - Step 4: Simplify right side
120,850.76x = 10,455,776,706.23 - Step 5: Solve for x
x = 10,455,776,706.23/120,850.76 - Step 6: Final answer
x = 86,518.09
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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.