Finding the Fourth Proportional to 221,402.97, 305,532.27 and 125,907.48
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Solution
The fourth proportional to 221,402.97, 305,532.27 and 125,907.48 is: 173,750.15
Step by Step Solution
- Step 1: Write the proportion equation
221,402.97 : 305,532.27 = 125,907.48 : x - Step 2: Convert to fraction form
221,402.97/305,532.27 = 125,907.48/x - Step 3: Cross multiply
221,402.97x = 305,532.27 × 125,907.48 - Step 4: Simplify right side
221,402.97x = 38,468,798,174.38 - Step 5: Solve for x
x = 38,468,798,174.38/221,402.97 - Step 6: Final answer
x = 173,750.15
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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.