Finding the Fourth Proportional to 221,726.54, 305,982.91 and 126,233.23
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Solution
The fourth proportional to 221,726.54, 305,982.91 and 126,233.23 is: 174,202.02
Step by Step Solution
- Step 1: Write the proportion equation
221,726.54 : 305,982.91 = 126,233.23 : x - Step 2: Convert to fraction form
221,726.54/305,982.91 = 126,233.23/x - Step 3: Cross multiply
221,726.54x = 305,982.91 × 126,233.23 - Step 4: Simplify right side
221,726.54x = 38,625,209,524.18 - Step 5: Solve for x
x = 38,625,209,524.18/221,726.54 - Step 6: Final answer
x = 174,202.02
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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.