Finding the Fourth Proportional to 251,491.92, 347,029.76 and 144,055.55
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Solution
The fourth proportional to 251,491.92, 347,029.76 and 144,055.55 is: 198,779.99
Step by Step Solution
- Step 1: Write the proportion equation
251,491.92 : 347,029.76 = 144,055.55 : x - Step 2: Convert to fraction form
251,491.92/347,029.76 = 144,055.55/x - Step 3: Cross multiply
251,491.92x = 347,029.76 × 144,055.55 - Step 4: Simplify right side
251,491.92x = 49,991,560,487.74 - Step 5: Solve for x
x = 49,991,560,487.74/251,491.92 - Step 6: Final answer
x = 198,779.99
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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.