Finding the Fourth Proportional to 262,536.76, 393,786.08 and 102,582.60
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Solution
The fourth proportional to 262,536.76, 393,786.08 and 102,582.60 is: 153,866.45
Step by Step Solution
- Step 1: Write the proportion equation
262,536.76 : 393,786.08 = 102,582.60 : x - Step 2: Convert to fraction form
262,536.76/393,786.08 = 102,582.60/x - Step 3: Cross multiply
262,536.76x = 393,786.08 × 102,582.60 - Step 4: Simplify right side
262,536.76x = 40,395,599,930.21 - Step 5: Solve for x
x = 40,395,599,930.21/262,536.76 - Step 6: Final answer
x = 153,866.45
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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.