Finding the Fourth Proportional to 269,657.18, 372,128.00 and 148,801.96
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Solution
The fourth proportional to 269,657.18, 372,128.00 and 148,801.96 is: 205,347.31
Step by Step Solution
- Step 1: Write the proportion equation
269,657.18 : 372,128.00 = 148,801.96 : x - Step 2: Convert to fraction form
269,657.18/372,128.00 = 148,801.96/x - Step 3: Cross multiply
269,657.18x = 372,128.00 × 148,801.96 - Step 4: Simplify right side
269,657.18x = 55,373,375,910.54 - Step 5: Solve for x
x = 55,373,375,910.54/269,657.18 - Step 6: Final answer
x = 205,347.31
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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.