Finding the Fourth Proportional to 330,693.40, 456,343.59 and 194,733.08
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Solution
The fourth proportional to 330,693.40, 456,343.59 and 194,733.08 is: 268,723.81
Step by Step Solution
- Step 1: Write the proportion equation
330,693.40 : 456,343.59 = 194,733.08 : x - Step 2: Convert to fraction form
330,693.40/456,343.59 = 194,733.08/x - Step 3: Cross multiply
330,693.40x = 456,343.59 × 194,733.08 - Step 4: Simplify right side
330,693.40x = 88,865,190,537.24 - Step 5: Solve for x
x = 88,865,190,537.24/330,693.40 - Step 6: Final answer
x = 268,723.81
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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.