Finding the Fourth Proportional to 207,190.09, 286,053.76 and 141,888.23
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Solution
The fourth proportional to 207,190.09, 286,053.76 and 141,888.23 is: 195,895.77
Step by Step Solution
- Step 1: Write the proportion equation
207,190.09 : 286,053.76 = 141,888.23 : x - Step 2: Convert to fraction form
207,190.09/286,053.76 = 141,888.23/x - Step 3: Cross multiply
207,190.09x = 286,053.76 × 141,888.23 - Step 4: Simplify right side
207,190.09x = 40,587,661,691.24 - Step 5: Solve for x
x = 40,587,661,691.24/207,190.09 - Step 6: Final answer
x = 195,895.77
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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.