Finding the Fourth Proportional to 220,110.05, 303,207.76 and 187,739.21
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Solution
The fourth proportional to 220,110.05, 303,207.76 and 187,739.21 is: 258,616.02
Step by Step Solution
- Step 1: Write the proportion equation
220,110.05 : 303,207.76 = 187,739.21 : x - Step 2: Convert to fraction form
220,110.05/303,207.76 = 187,739.21/x - Step 3: Cross multiply
220,110.05x = 303,207.76 × 187,739.21 - Step 4: Simplify right side
220,110.05x = 56,923,985,328.27 - Step 5: Solve for x
x = 56,923,985,328.27/220,110.05 - Step 6: Final answer
x = 258,616.02
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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.