Finding the Fourth Proportional to 492,138.24, 738,666.58 and 252,432.10
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Solution
The fourth proportional to 492,138.24, 738,666.58 and 252,432.10 is: 378,883.70
Step by Step Solution
- Step 1: Write the proportion equation
492,138.24 : 738,666.58 = 252,432.10 : x - Step 2: Convert to fraction form
492,138.24/738,666.58 = 252,432.10/x - Step 3: Cross multiply
492,138.24x = 738,666.58 × 252,432.10 - Step 4: Simplify right side
492,138.24x = 186,463,155,989.22 - Step 5: Solve for x
x = 186,463,155,989.22/492,138.24 - Step 6: Final answer
x = 378,883.70
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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.