Finding the Fourth Proportional to 331,713.81, 457,403.31 and 224,096.99
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Solution
The fourth proportional to 331,713.81, 457,403.31 and 224,096.99 is: 309,009.45
Step by Step Solution
- Step 1: Write the proportion equation
331,713.81 : 457,403.31 = 224,096.99 : x - Step 2: Convert to fraction form
331,713.81/457,403.31 = 224,096.99/x - Step 3: Cross multiply
331,713.81x = 457,403.31 × 224,096.99 - Step 4: Simplify right side
331,713.81x = 102,502,702,700.02 - Step 5: Solve for x
x = 102,502,702,700.02/331,713.81 - Step 6: Final answer
x = 309,009.45
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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.