Finding the Fourth Proportional to 298,564.48, 411,991.87 and 177,686.26
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Solution
The fourth proportional to 298,564.48, 411,991.87 and 177,686.26 is: 245,190.90
Step by Step Solution
- Step 1: Write the proportion equation
298,564.48 : 411,991.87 = 177,686.26 : x - Step 2: Convert to fraction form
298,564.48/411,991.87 = 177,686.26/x - Step 3: Cross multiply
298,564.48x = 411,991.87 × 177,686.26 - Step 4: Simplify right side
298,564.48x = 73,205,293,389.67 - Step 5: Solve for x
x = 73,205,293,389.67/298,564.48 - Step 6: Final answer
x = 245,190.90
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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.