Finding the Fourth Proportional to 354,310.54, 531,467.73 and 104,994.70
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Solution
The fourth proportional to 354,310.54, 531,467.73 and 104,994.70 is: 157,492.62
Step by Step Solution
- Step 1: Write the proportion equation
354,310.54 : 531,467.73 = 104,994.70 : x - Step 2: Convert to fraction form
354,310.54/531,467.73 = 104,994.70/x - Step 3: Cross multiply
354,310.54x = 531,467.73 × 104,994.70 - Step 4: Simplify right side
354,310.54x = 55,801,294,871.03 - Step 5: Solve for x
x = 55,801,294,871.03/354,310.54 - Step 6: Final answer
x = 157,492.62
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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.