Finding the Fourth Proportional to 408,883.21, 564,258.75 and 227,591.26
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Solution
The fourth proportional to 408,883.21, 564,258.75 and 227,591.26 is: 314,075.89
Step by Step Solution
- Step 1: Write the proportion equation
408,883.21 : 564,258.75 = 227,591.26 : x - Step 2: Convert to fraction form
408,883.21/564,258.75 = 227,591.26/x - Step 3: Cross multiply
408,883.21x = 564,258.75 × 227,591.26 - Step 4: Simplify right side
408,883.21x = 128,420,357,057.23 - Step 5: Solve for x
x = 128,420,357,057.23/408,883.21 - Step 6: Final answer
x = 314,075.89
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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.