Finding the Fourth Proportional to 385,009.96, 577,580.70 and 118,765.48
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Solution
The fourth proportional to 385,009.96, 577,580.70 and 118,765.48 is: 178,168.51
Step by Step Solution
- Step 1: Write the proportion equation
385,009.96 : 577,580.70 = 118,765.48 : x - Step 2: Convert to fraction form
385,009.96/577,580.70 = 118,765.48/x - Step 3: Cross multiply
385,009.96x = 577,580.70 × 118,765.48 - Step 4: Simplify right side
385,009.96x = 68,596,649,074.24 - Step 5: Solve for x
x = 68,596,649,074.24/385,009.96 - Step 6: Final answer
x = 178,168.51
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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.