Finding the Fourth Proportional to 347,397.64, 479,431.86 and 194,449.08
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Solution
The fourth proportional to 347,397.64, 479,431.86 and 194,449.08 is: 268,352.67
Step by Step Solution
- Step 1: Write the proportion equation
347,397.64 : 479,431.86 = 194,449.08 : x - Step 2: Convert to fraction form
347,397.64/479,431.86 = 194,449.08/x - Step 3: Cross multiply
347,397.64x = 479,431.86 × 194,449.08 - Step 4: Simplify right side
347,397.64x = 93,225,084,099.69 - Step 5: Solve for x
x = 93,225,084,099.69/347,397.64 - Step 6: Final answer
x = 268,352.67
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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.