Finding the Fourth Proportional to 195,953.13, 293,431.13 and 129,190.70
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Solution
The fourth proportional to 195,953.13, 293,431.13 and 129,190.70 is: 193,457.34
Step by Step Solution
- Step 1: Write the proportion equation
195,953.13 : 293,431.13 = 129,190.70 : x - Step 2: Convert to fraction form
195,953.13/293,431.13 = 129,190.70/x - Step 3: Cross multiply
195,953.13x = 293,431.13 × 129,190.70 - Step 4: Simplify right side
195,953.13x = 37,908,570,973.38 - Step 5: Solve for x
x = 37,908,570,973.38/195,953.13 - Step 6: Final answer
x = 193,457.34
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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.