Finding the Fourth Proportional to 208,957.34, 288,347.24 and 115,817.03
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Solution
The fourth proportional to 208,957.34, 288,347.24 and 115,817.03 is: 159,819.80
Step by Step Solution
- Step 1: Write the proportion equation
208,957.34 : 288,347.24 = 115,817.03 : x - Step 2: Convert to fraction form
208,957.34/288,347.24 = 115,817.03/x - Step 3: Cross multiply
208,957.34x = 288,347.24 × 115,817.03 - Step 4: Simplify right side
208,957.34x = 33,395,519,736.21 - Step 5: Solve for x
x = 33,395,519,736.21/208,957.34 - Step 6: Final answer
x = 159,819.80
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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.