Finding the Fourth Proportional to 215,344.09, 323,045.68 and 73,151.19
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Solution
The fourth proportional to 215,344.09, 323,045.68 and 73,151.19 is: 109,736.83
Step by Step Solution
- Step 1: Write the proportion equation
215,344.09 : 323,045.68 = 73,151.19 : x - Step 2: Convert to fraction form
215,344.09/323,045.68 = 73,151.19/x - Step 3: Cross multiply
215,344.09x = 323,045.68 × 73,151.19 - Step 4: Simplify right side
215,344.09x = 23,631,176,541.10 - Step 5: Solve for x
x = 23,631,176,541.10/215,344.09 - Step 6: Final answer
x = 109,736.83
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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.