Finding the Fourth Proportional to 115,387.14, 173,228.34 and 97,967.64
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Solution
The fourth proportional to 115,387.14, 173,228.34 and 97,967.64 is: 147,076.80
Step by Step Solution
- Step 1: Write the proportion equation
115,387.14 : 173,228.34 = 97,967.64 : x - Step 2: Convert to fraction form
115,387.14/173,228.34 = 97,967.64/x - Step 3: Cross multiply
115,387.14x = 173,228.34 × 97,967.64 - Step 4: Simplify right side
115,387.14x = 16,970,771,650.92 - Step 5: Solve for x
x = 16,970,771,650.92/115,387.14 - Step 6: Final answer
x = 147,076.80
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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.