Finding the Fourth Proportional to 209,220.48, 313,649.28 and 84,480.48
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Solution
The fourth proportional to 209,220.48, 313,649.28 and 84,480.48 is: 126,647.46
Step by Step Solution
- Step 1: Write the proportion equation
209,220.48 : 313,649.28 = 84,480.48 : x - Step 2: Convert to fraction form
209,220.48/313,649.28 = 84,480.48/x - Step 3: Cross multiply
209,220.48x = 313,649.28 × 84,480.48 - Step 4: Simplify right side
209,220.48x = 26,497,241,726.05 - Step 5: Solve for x
x = 26,497,241,726.05/209,220.48 - Step 6: Final answer
x = 126,647.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.