Finding the Fourth Proportional to 223,620.84, 308,599.23 and 121,646.58
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Solution
The fourth proportional to 223,620.84, 308,599.23 and 121,646.58 is: 167,873.62
Step by Step Solution
- Step 1: Write the proportion equation
223,620.84 : 308,599.23 = 121,646.58 : x - Step 2: Convert to fraction form
223,620.84/308,599.23 = 121,646.58/x - Step 3: Cross multiply
223,620.84x = 308,599.23 × 121,646.58 - Step 4: Simplify right side
223,620.84x = 37,540,040,920.13 - Step 5: Solve for x
x = 37,540,040,920.13/223,620.84 - Step 6: Final answer
x = 167,873.62
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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.