Finding the Fourth Proportional to 385,445.67, 577,836.02 and 185,490.99
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Solution
The fourth proportional to 385,445.67, 577,836.02 and 185,490.99 is: 278,076.48
Step by Step Solution
- Step 1: Write the proportion equation
385,445.67 : 577,836.02 = 185,490.99 : x - Step 2: Convert to fraction form
385,445.67/577,836.02 = 185,490.99/x - Step 3: Cross multiply
385,445.67x = 577,836.02 × 185,490.99 - Step 4: Simplify right side
385,445.67x = 107,183,374,480.01 - Step 5: Solve for x
x = 107,183,374,480.01/385,445.67 - Step 6: Final answer
x = 278,076.48
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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.