Finding the Fourth Proportional to 221,359.69, 305,448.33 and 125,868.44
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Solution
The fourth proportional to 221,359.69, 305,448.33 and 125,868.44 is: 173,682.50
Step by Step Solution
- Step 1: Write the proportion equation
221,359.69 : 305,448.33 = 125,868.44 : x - Step 2: Convert to fraction form
221,359.69/305,448.33 = 125,868.44/x - Step 3: Cross multiply
221,359.69x = 305,448.33 × 125,868.44 - Step 4: Simplify right side
221,359.69x = 38,446,304,643.25 - Step 5: Solve for x
x = 38,446,304,643.25/221,359.69 - Step 6: Final answer
x = 173,682.50
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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.