Finding the Fourth Proportional to 330,838.23, 456,192.08 and 228,686.34
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Solution
The fourth proportional to 330,838.23, 456,192.08 and 228,686.34 is: 315,335.07
Step by Step Solution
- Step 1: Write the proportion equation
330,838.23 : 456,192.08 = 228,686.34 : x - Step 2: Convert to fraction form
330,838.23/456,192.08 = 228,686.34/x - Step 3: Cross multiply
330,838.23x = 456,192.08 × 228,686.34 - Step 4: Simplify right side
330,838.23x = 104,324,897,112.19 - Step 5: Solve for x
x = 104,324,897,112.19/330,838.23 - Step 6: Final answer
x = 315,335.07
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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.