Finding the Fourth Proportional to 221,010.52, 304,983.99 and 125,504.26
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Solution
The fourth proportional to 221,010.52, 304,983.99 and 125,504.26 is: 173,189.90
Step by Step Solution
- Step 1: Write the proportion equation
221,010.52 : 304,983.99 = 125,504.26 : x - Step 2: Convert to fraction form
221,010.52/304,983.99 = 125,504.26/x - Step 3: Cross multiply
221,010.52x = 304,983.99 × 125,504.26 - Step 4: Simplify right side
221,010.52x = 38,276,789,976.80 - Step 5: Solve for x
x = 38,276,789,976.80/221,010.52 - Step 6: Final answer
x = 173,189.90
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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.