Finding the Fourth Proportional to 188,615.62, 260,291.30 and 102,575.41
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Solution
The fourth proportional to 188,615.62, 260,291.30 and 102,575.41 is: 141,555.02
Step by Step Solution
- Step 1: Write the proportion equation
188,615.62 : 260,291.30 = 102,575.41 : x - Step 2: Convert to fraction form
188,615.62/260,291.30 = 102,575.41/x - Step 3: Cross multiply
188,615.62x = 260,291.30 × 102,575.41 - Step 4: Simplify right side
188,615.62x = 26,699,487,405.96 - Step 5: Solve for x
x = 26,699,487,405.96/188,615.62 - Step 6: Final answer
x = 141,555.02
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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.