Finding the Fourth Proportional to 317,335.17, 475,368.12 and 190,905.78
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Solution
The fourth proportional to 317,335.17, 475,368.12 and 190,905.78 is: 285,976.88
Step by Step Solution
- Step 1: Write the proportion equation
317,335.17 : 475,368.12 = 190,905.78 : x - Step 2: Convert to fraction form
317,335.17/475,368.12 = 190,905.78/x - Step 3: Cross multiply
317,335.17x = 475,368.12 × 190,905.78 - Step 4: Simplify right side
317,335.17x = 90,750,521,735.73 - Step 5: Solve for x
x = 90,750,521,735.73/317,335.17 - Step 6: Final answer
x = 285,976.88
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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.