Finding the Fourth Proportional to 317,005.84, 437,608.74 and 202,434.58
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Solution
The fourth proportional to 317,005.84, 437,608.74 and 202,434.58 is: 279,449.56
Step by Step Solution
- Step 1: Write the proportion equation
317,005.84 : 437,608.74 = 202,434.58 : x - Step 2: Convert to fraction form
317,005.84/437,608.74 = 202,434.58/x - Step 3: Cross multiply
317,005.84x = 437,608.74 × 202,434.58 - Step 4: Simplify right side
317,005.84x = 88,587,141,486.23 - Step 5: Solve for x
x = 88,587,141,486.23/317,005.84 - Step 6: Final answer
x = 279,449.56
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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.