Finding the Fourth Proportional to 345,193.40, 476,121.50 and 230,414.17
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Solution
The fourth proportional to 345,193.40, 476,121.50 and 230,414.17 is: 317,807.76
Step by Step Solution
- Step 1: Write the proportion equation
345,193.40 : 476,121.50 = 230,414.17 : x - Step 2: Convert to fraction form
345,193.40/476,121.50 = 230,414.17/x - Step 3: Cross multiply
345,193.40x = 476,121.50 × 230,414.17 - Step 4: Simplify right side
345,193.40x = 109,705,140,241.66 - Step 5: Solve for x
x = 109,705,140,241.66/345,193.40 - Step 6: Final answer
x = 317,807.76
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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.