Finding the Fourth Proportional to 317,920.74, 476,954.97 and 93,272.10
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Solution
The fourth proportional to 317,920.74, 476,954.97 and 93,272.10 is: 139,929.82
Step by Step Solution
- Step 1: Write the proportion equation
317,920.74 : 476,954.97 = 93,272.10 : x - Step 2: Convert to fraction form
317,920.74/476,954.97 = 93,272.10/x - Step 3: Cross multiply
317,920.74x = 476,954.97 × 93,272.10 - Step 4: Simplify right side
317,920.74x = 44,486,591,657.34 - Step 5: Solve for x
x = 44,486,591,657.34/317,920.74 - Step 6: Final answer
x = 139,929.82
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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.