Finding the Fourth Proportional to 227,905.18, 314,134.05 and 161,623.70
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Solution
The fourth proportional to 227,905.18, 314,134.05 and 161,623.70 is: 222,774.70
Step by Step Solution
- Step 1: Write the proportion equation
227,905.18 : 314,134.05 = 161,623.70 : x - Step 2: Convert to fraction form
227,905.18/314,134.05 = 161,623.70/x - Step 3: Cross multiply
227,905.18x = 314,134.05 × 161,623.70 - Step 4: Simplify right side
227,905.18x = 50,771,507,670.41 - Step 5: Solve for x
x = 50,771,507,670.41/227,905.18 - Step 6: Final answer
x = 222,774.70
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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.