Finding the Fourth Proportional to 317,682.08, 476,417.32 and 128,093.44
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Solution
The fourth proportional to 317,682.08, 476,417.32 and 128,093.44 is: 192,097.50
Step by Step Solution
- Step 1: Write the proportion equation
317,682.08 : 476,417.32 = 128,093.44 : x - Step 2: Convert to fraction form
317,682.08/476,417.32 = 128,093.44/x - Step 3: Cross multiply
317,682.08x = 476,417.32 × 128,093.44 - Step 4: Simplify right side
317,682.08x = 61,025,933,394.38 - Step 5: Solve for x
x = 61,025,933,394.38/317,682.08 - Step 6: Final answer
x = 192,097.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.