Finding the Fourth Proportional to 347,419.26, 479,398.23 and 194,465.97
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Solution
The fourth proportional to 347,419.26, 479,398.23 and 194,465.97 is: 268,340.45
Step by Step Solution
- Step 1: Write the proportion equation
347,419.26 : 479,398.23 = 194,465.97 : x - Step 2: Convert to fraction form
347,419.26/479,398.23 = 194,465.97/x - Step 3: Cross multiply
347,419.26x = 479,398.23 × 194,465.97 - Step 4: Simplify right side
347,419.26x = 93,226,641,813.23 - Step 5: Solve for x
x = 93,226,641,813.23/347,419.26 - Step 6: Final answer
x = 268,340.45
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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.