Finding the Fourth Proportional to 222,960.18, 307,597.46 and 127,415.62
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Solution
The fourth proportional to 222,960.18, 307,597.46 and 127,415.62 is: 175,783.50
Step by Step Solution
- Step 1: Write the proportion equation
222,960.18 : 307,597.46 = 127,415.62 : x - Step 2: Convert to fraction form
222,960.18/307,597.46 = 127,415.62/x - Step 3: Cross multiply
222,960.18x = 307,597.46 × 127,415.62 - Step 4: Simplify right side
222,960.18x = 39,192,721,394.86 - Step 5: Solve for x
x = 39,192,721,394.86/222,960.18 - Step 6: Final answer
x = 175,783.50
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1.5x scale
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.