Finding the Fourth Proportional to 408,702.09, 564,008.88 and 227,425.69
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Solution
The fourth proportional to 408,702.09, 564,008.88 and 227,425.69 is: 313,847.45
Step by Step Solution
- Step 1: Write the proportion equation
408,702.09 : 564,008.88 = 227,425.69 : x - Step 2: Convert to fraction form
408,702.09/564,008.88 = 227,425.69/x - Step 3: Cross multiply
408,702.09x = 564,008.88 × 227,425.69 - Step 4: Simplify right side
408,702.09x = 128,270,110,257.99 - Step 5: Solve for x
x = 128,270,110,257.99/408,702.09 - Step 6: Final answer
x = 313,847.45
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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.