Finding the Fourth Proportional to 408,324.16, 563,512.80 and 227,076.58
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Solution
The fourth proportional to 408,324.16, 563,512.80 and 227,076.58 is: 313,379.84
Step by Step Solution
- Step 1: Write the proportion equation
408,324.16 : 563,512.80 = 227,076.58 : x - Step 2: Convert to fraction form
408,324.16/563,512.80 = 227,076.58/x - Step 3: Cross multiply
408,324.16x = 563,512.80 × 227,076.58 - Step 4: Simplify right side
408,324.16x = 127,960,559,410.22 - Step 5: Solve for x
x = 127,960,559,410.22/408,324.16 - Step 6: Final answer
x = 313,379.84
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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.