Finding the Fourth Proportional to 351,474.60, 527,438.70 and 193,816.20
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Solution
The fourth proportional to 351,474.60, 527,438.70 and 193,816.20 is: 290,849.37
Step by Step Solution
- Step 1: Write the proportion equation
351,474.60 : 527,438.70 = 193,816.20 : x - Step 2: Convert to fraction form
351,474.60/527,438.70 = 193,816.20/x - Step 3: Cross multiply
351,474.60x = 527,438.70 × 193,816.20 - Step 4: Simplify right side
351,474.60x = 102,226,164,566.94 - Step 5: Solve for x
x = 102,226,164,566.94/351,474.60 - Step 6: Final answer
x = 290,849.37
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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.