Finding the Fourth Proportional to 347,543.68, 479,498.74 and 194,559.34
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Solution
The fourth proportional to 347,543.68, 479,498.74 and 194,559.34 is: 268,429.45
Step by Step Solution
- Step 1: Write the proportion equation
347,543.68 : 479,498.74 = 194,559.34 : x - Step 2: Convert to fraction form
347,543.68/479,498.74 = 194,559.34/x - Step 3: Cross multiply
347,543.68x = 479,498.74 × 194,559.34 - Step 4: Simplify right side
347,543.68x = 93,290,958,385.23 - Step 5: Solve for x
x = 93,290,958,385.23/347,543.68 - Step 6: Final answer
x = 268,429.45
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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.