Finding the Fourth Proportional to 229,905.26, 344,409.48 and 129,762.53
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Solution
The fourth proportional to 229,905.26, 344,409.48 and 129,762.53 is: 194,390.70
Step by Step Solution
- Step 1: Write the proportion equation
229,905.26 : 344,409.48 = 129,762.53 : x - Step 2: Convert to fraction form
229,905.26/344,409.48 = 129,762.53/x - Step 3: Cross multiply
229,905.26x = 344,409.48 × 129,762.53 - Step 4: Simplify right side
229,905.26x = 44,691,443,758.74 - Step 5: Solve for x
x = 44,691,443,758.74/229,905.26 - Step 6: Final answer
x = 194,390.70
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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.