Finding the Fourth Proportional to 203,113.58, 280,296.99 and 111,232.44
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Solution
The fourth proportional to 203,113.58, 280,296.99 and 111,232.44 is: 153,500.91
Step by Step Solution
- Step 1: Write the proportion equation
203,113.58 : 280,296.99 = 111,232.44 : x - Step 2: Convert to fraction form
203,113.58/280,296.99 = 111,232.44/x - Step 3: Cross multiply
203,113.58x = 280,296.99 × 111,232.44 - Step 4: Simplify right side
203,113.58x = 31,178,118,122.36 - Step 5: Solve for x
x = 31,178,118,122.36/203,113.58 - Step 6: Final answer
x = 153,500.91
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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.