Finding the Fourth Proportional to 658,409.22, 988,028.99 and 258,998.09
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Solution
The fourth proportional to 658,409.22, 988,028.99 and 258,998.09 is: 388,660.44
Step by Step Solution
- Step 1: Write the proportion equation
658,409.22 : 988,028.99 = 258,998.09 : x - Step 2: Convert to fraction form
658,409.22/988,028.99 = 258,998.09/x - Step 3: Cross multiply
658,409.22x = 988,028.99 × 258,998.09 - Step 4: Simplify right side
658,409.22x = 255,897,615,039.49 - Step 5: Solve for x
x = 255,897,615,039.49/658,409.22 - Step 6: Final answer
x = 388,660.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.