Finding the Fourth Proportional to 351,475.10, 527,439.45 and 193,816.70
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Solution
The fourth proportional to 351,475.10, 527,439.45 and 193,816.70 is: 290,850.12
Step by Step Solution
- Step 1: Write the proportion equation
351,475.10 : 527,439.45 = 193,816.70 : x - Step 2: Convert to fraction form
351,475.10/527,439.45 = 193,816.70/x - Step 3: Cross multiply
351,475.10x = 527,439.45 × 193,816.70 - Step 4: Simplify right side
351,475.10x = 102,226,573,648.82 - Step 5: Solve for x
x = 102,226,573,648.82/351,475.10 - Step 6: Final answer
x = 290,850.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.