Finding the Fourth Proportional to 270,431.51, 373,222.71 and 149,581.99
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Solution
The fourth proportional to 270,431.51, 373,222.71 and 149,581.99 is: 206,438.21
Step by Step Solution
- Step 1: Write the proportion equation
270,431.51 : 373,222.71 = 149,581.99 : x - Step 2: Convert to fraction form
270,431.51/373,222.71 = 149,581.99/x - Step 3: Cross multiply
270,431.51x = 373,222.71 × 149,581.99 - Step 4: Simplify right side
270,431.51x = 55,827,396,562.22 - Step 5: Solve for x
x = 55,827,396,562.22/270,431.51 - Step 6: Final answer
x = 206,438.21
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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.