Finding the Fourth Proportional to 165,949.09, 248,480.76 and 86,897.14
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Solution
The fourth proportional to 165,949.09, 248,480.76 and 86,897.14 is: 130,113.80
Step by Step Solution
- Step 1: Write the proportion equation
165,949.09 : 248,480.76 = 86,897.14 : x - Step 2: Convert to fraction form
165,949.09/248,480.76 = 86,897.14/x - Step 3: Cross multiply
165,949.09x = 248,480.76 × 86,897.14 - Step 4: Simplify right side
165,949.09x = 21,592,267,389.03 - Step 5: Solve for x
x = 21,592,267,389.03/165,949.09 - Step 6: Final answer
x = 130,113.80
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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.