Finding the Fourth Proportional to 230,240.13, 315,430.14 and 221,611.05
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Solution
The fourth proportional to 230,240.13, 315,430.14 and 221,611.05 is: 303,608.26
Step by Step Solution
- Step 1: Write the proportion equation
230,240.13 : 315,430.14 = 221,611.05 : x - Step 2: Convert to fraction form
230,240.13/315,430.14 = 221,611.05/x - Step 3: Cross multiply
230,240.13x = 315,430.14 × 221,611.05 - Step 4: Simplify right side
230,240.13x = 69,902,804,527.05 - Step 5: Solve for x
x = 69,902,804,527.05/230,240.13 - Step 6: Final answer
x = 303,608.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.