Finding the Fourth Proportional to 380,186.69, 524,622.02 and 227,194.42
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Solution
The fourth proportional to 380,186.69, 524,622.02 and 227,194.42 is: 313,507.02
Step by Step Solution
- Step 1: Write the proportion equation
380,186.69 : 524,622.02 = 227,194.42 : x - Step 2: Convert to fraction form
380,186.69/524,622.02 = 227,194.42/x - Step 3: Cross multiply
380,186.69x = 524,622.02 × 227,194.42 - Step 4: Simplify right side
380,186.69x = 119,191,195,553.13 - Step 5: Solve for x
x = 119,191,195,553.13/380,186.69 - Step 6: Final answer
x = 313,507.02
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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.