Finding the Fourth Proportional to 188,615.70, 260,291.50 and 102,576.53
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Solution
The fourth proportional to 188,615.70, 260,291.50 and 102,576.53 is: 141,556.61
Step by Step Solution
- Step 1: Write the proportion equation
188,615.70 : 260,291.50 = 102,576.53 : x - Step 2: Convert to fraction form
188,615.70/260,291.50 = 102,576.53/x - Step 3: Cross multiply
188,615.70x = 260,291.50 × 102,576.53 - Step 4: Simplify right side
188,615.70x = 26,699,799,252.78 - Step 5: Solve for x
x = 26,699,799,252.78/188,615.70 - Step 6: Final answer
x = 141,556.61
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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.