Finding the Fourth Proportional to 408,840.19, 564,193.80 and 227,552.20
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Solution
The fourth proportional to 408,840.19, 564,193.80 and 227,552.20 is: 314,018.88
Step by Step Solution
- Step 1: Write the proportion equation
408,840.19 : 564,193.80 = 227,552.20 : x - Step 2: Convert to fraction form
408,840.19/564,193.80 = 227,552.20/x - Step 3: Cross multiply
408,840.19x = 564,193.80 × 227,552.20 - Step 4: Simplify right side
408,840.19x = 128,383,540,416.36 - Step 5: Solve for x
x = 128,383,540,416.36/408,840.19 - Step 6: Final answer
x = 314,018.88
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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.