Finding the Fourth Proportional to 215,259.57, 322,882.11 and 115,614.38
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Solution
The fourth proportional to 215,259.57, 322,882.11 and 115,614.38 is: 173,417.68
Step by Step Solution
- Step 1: Write the proportion equation
215,259.57 : 322,882.11 = 115,614.38 : x - Step 2: Convert to fraction form
215,259.57/322,882.11 = 115,614.38/x - Step 3: Cross multiply
215,259.57x = 322,882.11 × 115,614.38 - Step 4: Simplify right side
215,259.57x = 37,329,815,767.95 - Step 5: Solve for x
x = 37,329,815,767.95/215,259.57 - Step 6: Final answer
x = 173,417.68
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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.