Finding the Fourth Proportional to 317,018.84, 437,626.68 and 202,447.58
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Solution
The fourth proportional to 317,018.84, 437,626.68 and 202,447.58 is: 279,467.50
Step by Step Solution
- Step 1: Write the proportion equation
317,018.84 : 437,626.68 = 202,447.58 : x - Step 2: Convert to fraction form
317,018.84/437,626.68 = 202,447.58/x - Step 3: Cross multiply
317,018.84x = 437,626.68 × 202,447.58 - Step 4: Simplify right side
317,018.84x = 88,596,462,309.43 - Step 5: Solve for x
x = 88,596,462,309.43/317,018.84 - Step 6: Final answer
x = 279,467.50
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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.