Finding the Fourth Proportional to 407,197.35, 561,935.73 and 225,921.17
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Solution
The fourth proportional to 407,197.35, 561,935.73 and 225,921.17 is: 311,773.09
Step by Step Solution
- Step 1: Write the proportion equation
407,197.35 : 561,935.73 = 225,921.17 : x - Step 2: Convert to fraction form
407,197.35/561,935.73 = 225,921.17/x - Step 3: Cross multiply
407,197.35x = 561,935.73 × 225,921.17 - Step 4: Simplify right side
407,197.35x = 126,953,174,776.73 - Step 5: Solve for x
x = 126,953,174,776.73/407,197.35 - Step 6: Final answer
x = 311,773.09
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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.