Finding the Fourth Proportional to 221,773.14, 306,046.76 and 121,171.14
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Solution
The fourth proportional to 221,773.14, 306,046.76 and 121,171.14 is: 167,216.08
Step by Step Solution
- Step 1: Write the proportion equation
221,773.14 : 306,046.76 = 121,171.14 : x - Step 2: Convert to fraction form
221,773.14/306,046.76 = 121,171.14/x - Step 3: Cross multiply
221,773.14x = 306,046.76 × 121,171.14 - Step 4: Simplify right side
221,773.14x = 37,084,034,196.65 - Step 5: Solve for x
x = 37,084,034,196.65/221,773.14 - Step 6: Final answer
x = 167,216.08
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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.