Finding the Fourth Proportional to 317,102.58, 475,020.12 and 190,673.62
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Solution
The fourth proportional to 317,102.58, 475,020.12 and 190,673.62 is: 285,629.36
Step by Step Solution
- Step 1: Write the proportion equation
317,102.58 : 475,020.12 = 190,673.62 : x - Step 2: Convert to fraction form
317,102.58/475,020.12 = 190,673.62/x - Step 3: Cross multiply
317,102.58x = 475,020.12 × 190,673.62 - Step 4: Simplify right side
317,102.58x = 90,573,805,853.23 - Step 5: Solve for x
x = 90,573,805,853.23/317,102.58 - Step 6: Final answer
x = 285,629.36
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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.