Finding the Fourth Proportional to 227,399.94, 313,934.96 and 136,776.14
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Solution
The fourth proportional to 227,399.94, 313,934.96 and 136,776.14 is: 188,825.08
Step by Step Solution
- Step 1: Write the proportion equation
227,399.94 : 313,934.96 = 136,776.14 : x - Step 2: Convert to fraction form
227,399.94/313,934.96 = 136,776.14/x - Step 3: Cross multiply
227,399.94x = 313,934.96 × 136,776.14 - Step 4: Simplify right side
227,399.94x = 42,938,812,039.85 - Step 5: Solve for x
x = 42,938,812,039.85/227,399.94 - Step 6: Final answer
x = 188,825.08
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1.5x scale
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.