Finding the Fourth Proportional to 406,525.07, 561,009.06 and 225,239.84
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Solution
The fourth proportional to 406,525.07, 561,009.06 and 225,239.84 is: 310,833.45
Step by Step Solution
- Step 1: Write the proportion equation
406,525.07 : 561,009.06 = 225,239.84 : x - Step 2: Convert to fraction form
406,525.07/561,009.06 = 225,239.84/x - Step 3: Cross multiply
406,525.07x = 561,009.06 × 225,239.84 - Step 4: Simplify right side
406,525.07x = 126,361,590,912.95 - Step 5: Solve for x
x = 126,361,590,912.95/406,525.07 - Step 6: Final answer
x = 310,833.45
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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.