Finding the Fourth Proportional to 317,009.84, 437,614.26 and 202,438.58
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Solution
The fourth proportional to 317,009.84, 437,614.26 and 202,438.58 is: 279,455.08
Step by Step Solution
- Step 1: Write the proportion equation
317,009.84 : 437,614.26 = 202,438.58 : x - Step 2: Convert to fraction form
317,009.84/437,614.26 = 202,438.58/x - Step 3: Cross multiply
317,009.84x = 437,614.26 × 202,438.58 - Step 4: Simplify right side
317,009.84x = 88,590,009,382.15 - Step 5: Solve for x
x = 88,590,009,382.15/317,009.84 - Step 6: Final answer
x = 279,455.08
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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.