Finding the Fourth Proportional to 330,764.50, 456,474.92 and 194,889.00
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Solution
The fourth proportional to 330,764.50, 456,474.92 and 194,889.00 is: 268,958.55
Step by Step Solution
- Step 1: Write the proportion equation
330,764.50 : 456,474.92 = 194,889.00 : x - Step 2: Convert to fraction form
330,764.50/456,474.92 = 194,889.00/x - Step 3: Cross multiply
330,764.50x = 456,474.92 × 194,889.00 - Step 4: Simplify right side
330,764.50x = 88,961,938,117.83 - Step 5: Solve for x
x = 88,961,938,117.83/330,764.50 - Step 6: Final answer
x = 268,958.55
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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.