Finding the Fourth Proportional to 160,374.05, 221,316.45 and 88,754.09
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Solution
The fourth proportional to 160,374.05, 221,316.45 and 88,754.09 is: 122,480.79
Step by Step Solution
- Step 1: Write the proportion equation
160,374.05 : 221,316.45 = 88,754.09 : x - Step 2: Convert to fraction form
160,374.05/221,316.45 = 88,754.09/x - Step 3: Cross multiply
160,374.05x = 221,316.45 × 88,754.09 - Step 4: Simplify right side
160,374.05x = 19,642,739,015.20 - Step 5: Solve for x
x = 19,642,739,015.20/160,374.05 - Step 6: Final answer
x = 122,480.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.