Finding the Fourth Proportional to 195,953.42, 293,431.57 and 129,190.99
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Solution
The fourth proportional to 195,953.42, 293,431.57 and 129,190.99 is: 193,457.79
Step by Step Solution
- Step 1: Write the proportion equation
195,953.42 : 293,431.57 = 129,190.99 : x - Step 2: Convert to fraction form
195,953.42/293,431.57 = 129,190.99/x - Step 3: Cross multiply
195,953.42x = 293,431.57 × 129,190.99 - Step 4: Simplify right side
195,953.42x = 37,908,713,924.87 - Step 5: Solve for x
x = 37,908,713,924.87/195,953.42 - Step 6: Final answer
x = 193,457.79
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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.