Finding the Fourth Proportional to 477,171.03, 658,512.05 and 280,902.09
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Solution
The fourth proportional to 477,171.03, 658,512.05 and 280,902.09 is: 387,654.32
Step by Step Solution
- Step 1: Write the proportion equation
477,171.03 : 658,512.05 = 280,902.09 : x - Step 2: Convert to fraction form
477,171.03/658,512.05 = 280,902.09/x - Step 3: Cross multiply
477,171.03x = 658,512.05 × 280,902.09 - Step 4: Simplify right side
477,171.03x = 184,977,409,730.67 - Step 5: Solve for x
x = 184,977,409,730.67/477,171.03 - Step 6: Final answer
x = 387,654.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.