Finding the Fourth Proportional to 221,134.99, 305,143.99 and 125,623.03
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Solution
The fourth proportional to 221,134.99, 305,143.99 and 125,623.03 is: 173,347.12
Step by Step Solution
- Step 1: Write the proportion equation
221,134.99 : 305,143.99 = 125,623.03 : x - Step 2: Convert to fraction form
221,134.99/305,143.99 = 125,623.03/x - Step 3: Cross multiply
221,134.99x = 305,143.99 × 125,623.03 - Step 4: Simplify right side
221,134.99x = 38,333,112,610.09 - Step 5: Solve for x
x = 38,333,112,610.09/221,134.99 - Step 6: Final answer
x = 173,347.12
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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.