Finding the Fourth Proportional to 115,048.90, 172,597.99 and 65,152.58
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Solution
The fourth proportional to 115,048.90, 172,597.99 and 65,152.58 is: 97,742.82
Step by Step Solution
- Step 1: Write the proportion equation
115,048.90 : 172,597.99 = 65,152.58 : x - Step 2: Convert to fraction form
115,048.90/172,597.99 = 65,152.58/x - Step 3: Cross multiply
115,048.90x = 172,597.99 × 65,152.58 - Step 4: Simplify right side
115,048.90x = 11,245,204,351.31 - Step 5: Solve for x
x = 11,245,204,351.31/115,048.90 - Step 6: Final answer
x = 97,742.82
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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.