Finding the Fourth Proportional to 221,277.24, 305,353.44 and 120,675.24
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Solution
The fourth proportional to 221,277.24, 305,353.44 and 120,675.24 is: 166,526.84
Step by Step Solution
- Step 1: Write the proportion equation
221,277.24 : 305,353.44 = 120,675.24 : x - Step 2: Convert to fraction form
221,277.24/305,353.44 = 120,675.24/x - Step 3: Cross multiply
221,277.24x = 305,353.44 × 120,675.24 - Step 4: Simplify right side
221,277.24x = 36,848,599,656.83 - Step 5: Solve for x
x = 36,848,599,656.83/221,277.24 - Step 6: Final answer
x = 166,526.84
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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.