Finding the Fourth Proportional to 317,337.11, 437,963.99 and 181,376.80
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Solution
The fourth proportional to 317,337.11, 437,963.99 and 181,376.80 is: 250,322.15
Step by Step Solution
- Step 1: Write the proportion equation
317,337.11 : 437,963.99 = 181,376.80 : x - Step 2: Convert to fraction form
317,337.11/437,963.99 = 181,376.80/x - Step 3: Cross multiply
317,337.11x = 437,963.99 × 181,376.80 - Step 4: Simplify right side
317,337.11x = 79,436,507,021.43 - Step 5: Solve for x
x = 79,436,507,021.43/317,337.11 - Step 6: Final answer
x = 250,322.15
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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.