Finding the Fourth Proportional to 408,775.05, 564,113.25 and 227,494.62
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Solution
The fourth proportional to 408,775.05, 564,113.25 and 227,494.62 is: 313,944.62
Step by Step Solution
- Step 1: Write the proportion equation
408,775.05 : 564,113.25 = 227,494.62 : x - Step 2: Convert to fraction form
408,775.05/564,113.25 = 227,494.62/x - Step 3: Cross multiply
408,775.05x = 564,113.25 × 227,494.62 - Step 4: Simplify right side
408,775.05x = 128,332,729,445.72 - Step 5: Solve for x
x = 128,332,729,445.72/408,775.05 - Step 6: Final answer
x = 313,944.62
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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.